$NetBSD: patch-ae,v 1.3 2011/11/22 18:11:14 joerg Exp $

--- subwindows.cpp.orig	1999-07-27 14:15:36.000000000 +0000
+++ subwindows.cpp
@@ -1,9 +1,11 @@
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <dirent.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #include "general.h"
 #include "subwindows.h"
@@ -62,7 +64,6 @@ void QueryWindow::waitForEvent()
 }
 
 //Score
-extern int errno;
 
 const int winScore = 10;
 const int defeatScore = 10;