$OpenBSD: patch-src_libs_zbxsysinfo_openbsd_net_c,v 1.2 2010/01/11 18:30:01 jasper Exp $
--- src/libs/zbxsysinfo/openbsd/net.c.orig	Thu Dec 24 00:03:53 2009
+++ src/libs/zbxsysinfo/openbsd/net.c	Thu Dec 24 00:04:20 2009
@@ -21,6 +21,8 @@
 
 #include "sysinfo.h"
 
+#define	N_UNDF	0x00		/* undefined */
+
 static struct nlist kernel_symbols[] =
 {
 	{"_ifnet", N_UNDF, 0, 0, 0},
