1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/rc2/rc2_skey.c b/src/lib/libcrypto/rc2/rc2_skey.c
index 7143c4e591..cab3080c73 100644
--- a/src/lib/libcrypto/rc2/rc2_skey.c
+++ b/src/lib/libcrypto/rc2/rc2_skey.c
@@ -90,7 +90,7 @@ static unsigned char key_table[256]={
  * BSAFE uses the 'retarded' version.  What I previously shipped is
  * the same as specifying 1024 for the 'bits' parameter.  Bsafe uses
  * a version where the bits parameter is the same as len*8 */
-void RC2_set_key(RC2_KEY *key, int len, unsigned char *data, int bits)
+void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits)
         {
         int i,j;
         unsigned char *k;