diff -ur --unidirectional-new-file skipsrc-1.0.orig/skip/common/skip_ipsp.c work.new/skip/common/skip_ipsp.c
--- skipsrc-1.0.orig/skip/common/skip_ipsp.c	Fri Oct 25 13:12:40 1996
+++ work.new/skip/common/skip_ipsp.c	Tue Jan 25 09:57:16 2000
@@ -79,7 +79,7 @@
 skip_hdr_ipsp_decode(unsigned char *start, unsigned char *end, skip_hdr_t *hdr)
 {
 	register unsigned char	*p = start;
-	register 		i;
+	register int 		i;
 	register int 		Akp_len = 0;
 	register int	 	Ekp_len = 0;
 	unsigned char		version;