From 15212cf9485dcc0374347cb93813d549ea089082 Mon Sep 17 00:00:00 2001
From: yexo <yexo@openttd.org>
Date: Wed, 15 Sep 2010 22:46:18 +0000
Subject: [PATCH] (svn r20812) -Fix [FS#4125]: crash when confirming newgrf
 changes with the newgrf parameter window open

---
 src/newgrf_gui.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
index fab44cb2e1..2ec921d085 100644
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -1590,6 +1590,7 @@ static const WindowDesc _newgrf_desc(
 static void NewGRFConfirmationCallback(Window *w, bool confirmed)
 {
 	if (confirmed) {
+		DeleteWindowByClass(WC_GRF_PARAMETERS);
 		NewGRFWindow *nw = dynamic_cast<NewGRFWindow*>(w);
 
 		GamelogStartAction(GLAT_GRF);