1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/md2/md2.h b/src/lib/libcrypto/md2/md2.h
index 0d3592506c..582bffb859 100644
--- a/src/lib/libcrypto/md2/md2.h
+++ b/src/lib/libcrypto/md2/md2.h
@@ -81,9 +81,9 @@ typedef struct MD2state_st
 
 const char *MD2_options(void);
 void MD2_Init(MD2_CTX *c);
-void MD2_Update(MD2_CTX *c, register unsigned char *data, unsigned long len);
+void MD2_Update(MD2_CTX *c, const unsigned char *data, unsigned long len);
 void MD2_Final(unsigned char *md, MD2_CTX *c);
-unsigned char *MD2(unsigned char *d, unsigned long n,unsigned char *md);
+unsigned char *MD2(const unsigned char *d, unsigned long n,unsigned char *md);
 #ifdef  __cplusplus
 }
 #endif