Add copyright and license on apps/vms_term_sock.[ch]

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
diff --git a/apps/vms_term_sock.c b/apps/vms_term_sock.c
index 33d81cc..9d06778 100644
--- a/apps/vms_term_sock.c
+++ b/apps/vms_term_sock.c
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2016 VMS Software, Inc. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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
+ */
+
 #ifdef __VMS 
 #define OPENSSL_SYS_VMS
 #pragma message disable DOLLARID