$NetBSD: patch-ae,v 1.3 2015/11/26 16:36:00 jperkin Exp $

Don't declare own errno.

--- src/socket.c.orig	2015-11-09 16:16:59.000000000 +0000
+++ src/socket.c
@@ -24,9 +24,6 @@
 #include "h.h"
 #include <signal.h>
 #include "inet.h"
-#ifndef _WIN32
-extern int errno;		/* ...seems that errno.h doesn't define this everywhere */
-#endif
 #include <sys/types.h>
 #ifndef _WIN32
 #include <sys/socket.h>