From a2a1e0a114635ff688529e0a261aa074ef43fcb3 Mon Sep 17 00:00:00 2001
From: Darkvater <Darkvater@openttd.org>
Date: Sun, 1 May 2005 19:37:20 +0000
Subject: [PATCH] (svn r2241) - Fix: [ 1190625 ] Changing mapsize crashes game
 with highlighting. Without shutting down OpenTTD some possibly 'invalid' data
 in TileHighLightData (_thd) is left behind; reset it.

---
 window.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/window.c b/window.c
index c5bc834bab..1b4b3773c2 100644
--- a/window.c
+++ b/window.c
@@ -716,6 +716,7 @@ void ResetWindowSystem(void)
 {
 	UnInitWindowSystem();
 	InitWindowSystem();
+	memset(&_thd, 0, sizeof(TileHighlightData));
 }
 
 static void DecreaseWindowCounters(void)