$NetBSD: patch-an,v 1.2 2011/10/03 06:59:49 dholland Exp $

Avoid redeclaring sys_errlist.

--- include/osdefs.h.orig	1998-07-31 18:18:38.000000000 +0000
+++ include/osdefs.h
@@ -79,7 +79,7 @@
 # define NOINITGROUPS
 #endif
 
-#if defined(BSDI) || defined(FREEBSD) || defined(LINUX2)
+#if defined(BSDI) || defined(FREEBSD) || defined(LINUX2) || defined(__NetBSD__) || defined (__OpenBSD__) || defined(__DragonFly__)
 # ifndef HAVESYSERR
 #  define HAVESYSERR
 # endif