1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/rc2/rc2_ecb.c b/src/lib/libcrypto/rc2/rc2_ecb.c
index 7d77b9186c..d3e8c2718a 100644
--- a/src/lib/libcrypto/rc2/rc2_ecb.c
+++ b/src/lib/libcrypto/rc2/rc2_ecb.c
@@ -70,8 +70,8 @@ const char *RC2_version="RC2" OPENSSL_VERSION_PTEXT;
  * Date: 11 Feb 1996 06:45:03 GMT
  */
 
-void RC2_ecb_encrypt(unsigned char *in, unsigned char *out, RC2_KEY *ks,
-             int encrypt)
+void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *ks,
+                     int encrypt)
         {
         unsigned long l,d[2];