1 files changed, 6 insertions, 10 deletions

diff --git a/src/lib/libcrypto/cast/c_ofb64.c b/src/lib/libcrypto/cast/c_ofb64.c
index 2aad2d6d96..fd0469a62f 100644
--- a/src/lib/libcrypto/cast/c_ofb64.c
+++ b/src/lib/libcrypto/cast/c_ofb64.c
@@ -56,20 +56,16 @@
  * [including the GNU Public Licence.]
  */
 
-#include "cast.h"
+#include <openssl/cast.h>
 #include "cast_lcl.h"
 
 /* The input and output encrypted as though 64bit ofb mode is being
  * used.  The extra state information to record how much of the
  * 64bit block we have used is contained in *num;
  */
-void CAST_ofb64_encrypt(in, out, length, schedule, ivec, num)
-unsigned char *in;
-unsigned char *out;
-long length;
-CAST_KEY *schedule;
-unsigned char *ivec;
-int *num;
+void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+                        long length, CAST_KEY *schedule, unsigned char *ivec,
+                        int *num)
         {
         register CAST_LONG v0,v1,t;
         register int n= *num;
@@ -80,7 +76,7 @@ int *num;
         unsigned char *iv;
         int save=0;
 
-        iv=(unsigned char *)ivec;
+        iv=ivec;
         n2l(iv,v0);
         n2l(iv,v1);
         ti[0]=v0;
@@ -105,7 +101,7 @@ int *num;
                 {
                 v0=ti[0];
                 v1=ti[1];
-                iv=(unsigned char *)ivec;
+                iv=ivec;
                 l2n(v0,iv);
                 l2n(v1,iv);
                 }