1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/md5/md5.h b/src/lib/libcrypto/md5/md5.h
index bdab6d45e8..d10bc8397f 100644
--- a/src/lib/libcrypto/md5/md5.h
+++ b/src/lib/libcrypto/md5/md5.h
@@ -103,9 +103,9 @@ typedef struct MD5state_st
         } MD5_CTX;
 
 void MD5_Init(MD5_CTX *c);
-void MD5_Update(MD5_CTX *c, const unsigned char *data, unsigned long len);
+void MD5_Update(MD5_CTX *c, const void *data, unsigned long len);
 void MD5_Final(unsigned char *md, MD5_CTX *c);
-unsigned char *MD5(unsigned char *d, unsigned long n, unsigned char *md);
+unsigned char *MD5(const unsigned char *d, unsigned long n, unsigned char *md);
 void MD5_Transform(MD5_CTX *c, const unsigned char *b);
 #ifdef  __cplusplus
 }