--- a/md5.h	Wed Jun 01 11:34:37 2005 +0000
+++ b/md5.h	Wed Jun 01 11:52:44 2005 +0000
@@ -79,7 +79,7 @@
 void md5_init(md5_state_t *pms);
 
 /* Append a string to the message. */
-void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes);
+void md5_append(md5_state_t *pms, const void *data, int nbytes);
 
 /* Finish the message and return the digest. */
 void md5_finish(md5_state_t *pms, md5_byte_t digest[16]);