$NetBSD: patch-ag,v 1.4 2023/08/29 15:05:40 vins Exp $

Don't try to declare own errno.

--- lib/errmsg.c.orig	2020-02-10 16:22:32.000000000 +0000
+++ lib/errmsg.c
@@ -50,8 +50,6 @@
 #include "private/flvasprintf.h"
 #include "ulib.h"
 
-extern int errno;       /* system error no            */
-
 #ifndef HAVE_STRERROR
 extern char *sys_errlist[ ];
 #endif