diff -Nru net-tools-1.60.orig/iptunnel.c net-tools-1.60/iptunnel.c
--- net-tools-1.60.orig/iptunnel.c	2010-02-17 13:11:51.000000000 +0100
+++ net-tools-1.60/iptunnel.c	2010-02-17 13:12:04.000000000 +0100
@@ -29,6 +29,7 @@
 #include <linux/if.h>
 #include <linux/if_arp.h>
 #include <linux/types.h>
+#include <linux/ip.h>
 #include <linux/if_tunnel.h>
 
 #include "config.h"