--- ppp-2.4.5.tpg/pppd/sha1.c	2009-11-16 22:26:07.000000000 +0000
+++ ppp-2.4.5.tpg/pppd/sha1.c.tpg	2009-12-31 20:15:51.000000000 +0000
@@ -18,6 +18,7 @@
 
 #include <string.h>
 #include <netinet/in.h>	/* htonl() */
+#include <sys/types.h>	/* u_int32_t */
 #include <net/ppp_defs.h>
 #include "sha1.h"