--- ppp-2.4.3/pppd/sha1.c	2004-10-25 00:28:02.000000000 +0100
+++ ppp-2.4.3/pppd/sha1.c	2004-11-22 15:36:46.929580681 +0000
@@ -18,6 +18,7 @@
 
 #include <string.h>
 #include <netinet/in.h>	/* htonl() */
+#include <sys/types.h> /* u_int32_t */
 #include "sha1.h"
 
 static void
