bio_b64: Correct prototype of BIO_f_base64()

Change-Id: Ia4ecf1c945f5beb0fd0c1a00d781d1154984b37f
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/bio_b64.c b/bio_b64.c
index 35d3b7b..489cd9a 100644
--- a/bio_b64.c
+++ b/bio_b64.c
@@ -116,7 +116,7 @@ static BIO_METHOD methods_b64=
 	b64_callback_ctrl,
 	};
 
-BIO_METHOD *BIO_f_base64(void)
+const BIO_METHOD *BIO_f_base64(void)
 	{
 	return(&methods_b64);
 	}