$NetBSD: patch-ad,v 1.1 2005/12/20 16:32:16 joerg Exp $

--- src/os_env.c.orig	2005-12-20 16:24:52.000000000 +0000
+++ src/os_env.c
@@ -29,7 +29,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
-extern int errno;
 #include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>