$OpenBSD: patch-src_unix_ifnet_c,v 1.1.1.1 2005/05/22 14:44:45 robert Exp $
--- src/unix/ifnet.c.orig	Mon Mar  7 20:17:02 2005
+++ src/unix/ifnet.c	Wed May 18 01:16:36 2005
@@ -40,7 +40,7 @@
  */
 
 
-#if defined __FreeBSD__ || defined __MacOSX__ || defined __NetBSD__
+#if defined __FreeBSD__ || defined __MacOSX__ || defined __NetBSD__ || defined __OpenBSD__
 #define ifr_netmask ifr_addr
 #endif
 
