From e15863fa7785583291ae2d03ccbdf5b3e8377047 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Tue, 27 May 2008 23:40:36 +0000
Subject: (svn r13304) -Fix (r13042): possible double free (showed up in
 r13092)

---
 src/misc_gui.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/misc_gui.cpp')

diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index 9cf128662..ac64a4fcc 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -1093,8 +1093,9 @@ struct QueryStringWindow : public QueryStringBaseWindow
 	~QueryStringWindow()
 	{
 		if (!this->handled && this->parent != NULL) {
-			this->handled = true;
-			this->parent->OnQueryTextFinished(NULL);
+			Window *parent = this->parent;
+			this->parent = NULL; // so parent doesn't try to delete us again
+			parent->OnQueryTextFinished(NULL);
 		}
 		ClrBit(_no_scroll, SCROLL_EDIT);
 	}
-- 
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