1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/rc4/rc4_skey.c b/src/lib/libcrypto/rc4/rc4_skey.c
index c67a445f1f..bb10c1ebe2 100644
--- a/src/lib/libcrypto/rc4/rc4_skey.c
+++ b/src/lib/libcrypto/rc4/rc4_skey.c
@@ -85,7 +85,7 @@ const char *RC4_options(void)
  * Date: Wed, 14 Sep 1994 06:35:31 GMT
  */
 
-void RC4_set_key(RC4_KEY *key, int len, register unsigned char *data)
+void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data)
         {
         register RC4_INT tmp;
         register int id1,id2;