Add const qualifiers to return value of BIO_f_{base64,cipher,md}().

tested in bulk by sthen
ok jsing

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/evp/bio_b64.c b/src/lib/libcrypto/evp/bio_b64.c
index b54e8793ec..a13d26a884 100644
--- a/src/lib/libcrypto/evp/bio_b64.c
+++ b/src/lib/libcrypto/evp/bio_b64.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bio_b64.c,v 1.20 2015/02/07 13:19:15 doug Exp $ */
+/* $OpenBSD: bio_b64.c,v 1.21 2018/05/02 15:51:41 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -91,7 +91,7 @@ typedef struct b64_struct {
         char tmp[B64_BLOCK_SIZE];
 } BIO_B64_CTX;
 
-static BIO_METHOD methods_b64 = {
+static const BIO_METHOD methods_b64 = {
         .type = BIO_TYPE_BASE64,
         .name = "base64 encoding",
         .bwrite = b64_write,
@@ -103,7 +103,7 @@ static BIO_METHOD methods_b64 = {
         .callback_ctrl = b64_callback_ctrl
 };
 
-BIO_METHOD *
+const BIO_METHOD *
 BIO_f_base64(void)
 {
         return (&methods_b64);