Test cleaning and modernisation

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3917)
diff --git a/test/bftest.c b/test/bftest.c
index a7e0bf1..df2c9a7 100644
--- a/test/bftest.c
+++ b/test/bftest.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2017 The OpenSSL Project Authors. 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
@@ -287,7 +287,7 @@
     for (j = 0; j < strlen(cbc_data) + 1; j++)
         printf("%02X", ofb64_ok[j]);
     printf("\n");
-    return (0);
+    return 0;
 }
 
 static int test_bf_ecb_raw(int n)