$OpenBSD: patch-ifacewatch_c,v 1.1.1.1 2012/01/13 09:22:23 ajacoutot Exp $
--- ifacewatch.c.orig	Sun Jan  8 11:08:36 2012
+++ ifacewatch.c	Sun Jan  8 11:08:46 2012
@@ -11,6 +11,7 @@
 #include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <netinet/in.h>
 #include <arpa/inet.h>
 #include <net/if.h>
 #ifdef __linux__
