--- popper/hmac.c.orig	Sat Jul  1 00:58:28 2000
+++ popper/hmac.c	Wed Nov  1 11:46:36 2000
@@ -12,7 +12,11 @@
 
 #include <stdio.h>
 #include <string.h>
-#include "md5.h"
+#include <sys/types.h>
+#include <md5.h>
+
+#define UINT4 u_int32_t
+
 #include "hmac-md5.h"