$NetBSD: patch-ab,v 1.1.1.1 2004/07/07 17:30:12 xtraeme Exp $

--- openbsd.h.orig	2000-09-15 19:22:30.000000000 +0200
+++ openbsd.h
@@ -22,7 +22,7 @@ struct icmphdr {
 		} echo;
 		__u32 gateway;
 		struct {
-			__u16 __unused;
+			__u16 arping__unused;
 			__u16 mtu;
 		} frag;
 	} un;