Following the license change, modify the boilerplates in engines/

[skip ci]

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7832)
diff --git a/engines/asm/e_padlock-x86.pl b/engines/asm/e_padlock-x86.pl
index 5b097ce..73e72e6 100644
--- a/engines/asm/e_padlock-x86.pl
+++ b/engines/asm/e_padlock-x86.pl
@@ -1,7 +1,7 @@
 #! /usr/bin/env perl
 # Copyright 2011-2018 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
diff --git a/engines/asm/e_padlock-x86_64.pl b/engines/asm/e_padlock-x86_64.pl
index 09b0aaa..63a0532 100644
--- a/engines/asm/e_padlock-x86_64.pl
+++ b/engines/asm/e_padlock-x86_64.pl
@@ -1,7 +1,7 @@
 #! /usr/bin/env perl
 # Copyright 2011-2018 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
diff --git a/engines/e_afalg.c b/engines/e_afalg.c
index f09c396..19d98d8 100644
--- a/engines/e_afalg.c
+++ b/engines/e_afalg.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_afalg.h b/engines/e_afalg.h
index 2c03c44..42b4830 100644
--- a/engines/e_afalg.h
+++ b/engines/e_afalg.h
@@ -1,7 +1,7 @@
 /*
  * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_afalg.txt b/engines/e_afalg.txt
index 3b79305..e32c880 100644
--- a/engines/e_afalg.txt
+++ b/engines/e_afalg.txt
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
diff --git a/engines/e_afalg_err.c b/engines/e_afalg_err.c
index 18fe9c3..cd5b7b2 100644
--- a/engines/e_afalg_err.c
+++ b/engines/e_afalg_err.c
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_afalg_err.h b/engines/e_afalg_err.h
index 3eb1332..bd1dd15 100644
--- a/engines/e_afalg_err.h
+++ b/engines/e_afalg_err.h
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_capi.c b/engines/e_capi.c
index 37202b8..c3a8306 100644
--- a/engines/e_capi.c
+++ b/engines/e_capi.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_capi.txt b/engines/e_capi.txt
index 3f34cdf..29724e6 100644
--- a/engines/e_capi.txt
+++ b/engines/e_capi.txt
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
diff --git a/engines/e_capi_err.c b/engines/e_capi_err.c
index b72bc51..923723a 100644
--- a/engines/e_capi_err.c
+++ b/engines/e_capi_err.c
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_capi_err.h b/engines/e_capi_err.h
index e034c98..544f7fe 100644
--- a/engines/e_capi_err.h
+++ b/engines/e_capi_err.h
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_dasync.c b/engines/e_dasync.c
index b005f42..2e12411 100644
--- a/engines/e_dasync.c
+++ b/engines/e_dasync.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_dasync.txt b/engines/e_dasync.txt
index bff64bc..9a7b498 100644
--- a/engines/e_dasync.txt
+++ b/engines/e_dasync.txt
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
diff --git a/engines/e_dasync_err.c b/engines/e_dasync_err.c
index 794fb71..f71f6fe 100644
--- a/engines/e_dasync_err.c
+++ b/engines/e_dasync_err.c
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_dasync_err.h b/engines/e_dasync_err.h
index 7c2c027..844615e 100644
--- a/engines/e_dasync_err.h
+++ b/engines/e_dasync_err.h
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_ossltest.c b/engines/e_ossltest.c
index 6437624..1284742 100644
--- a/engines/e_ossltest.c
+++ b/engines/e_ossltest.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_ossltest.txt b/engines/e_ossltest.txt
index 2b2e31a..b16c4aa 100644
--- a/engines/e_ossltest.txt
+++ b/engines/e_ossltest.txt
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
diff --git a/engines/e_ossltest_err.c b/engines/e_ossltest_err.c
index 920a13a..57c71e3 100644
--- a/engines/e_ossltest_err.c
+++ b/engines/e_ossltest_err.c
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_ossltest_err.h b/engines/e_ossltest_err.h
index e745c1a..03f7bfb 100644
--- a/engines/e_ossltest_err.h
+++ b/engines/e_ossltest_err.h
@@ -2,7 +2,7 @@
  * Generated by util/mkerr.pl DO NOT EDIT
  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
diff --git a/engines/e_padlock.c b/engines/e_padlock.c
index 4d5df7f..daf8c94 100644
--- a/engines/e_padlock.c
+++ b/engines/e_padlock.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html