$NetBSD: patch-aa,v 1.5 2005/06/17 15:01:02 hira Exp $

--- src/mail/fmail.h.orig	2004-01-01 20:54:01.000000000 -0700
+++ src/mail/fmail.h	2005-02-10 11:27:57.000000000 -0700
@@ -170,7 +170,7 @@
 		#define sys_nerr    65535
 	#else
 		#ifndef sys_nerr
-		#ifndef __FreeBSD__
+		#if !defined (__FreeBSD__) && !defined(__NetBSD__)
 extern int sys_nerr;
 			#endif
 		#endif
