From feb2178fcad4b5aaebb5bd1045e15553af2e6637 Mon Sep 17 00:00:00 2001
From: H.G.Muller <hgm@hgm-xboard.(none)>
Date: Wed, 4 Mar 2015 09:09:28 +0100
Subject: [PATCH] Fix crash XBoard on changing Game List Tags

When the Game List was not up, the attempt to immediately update its
contents after changing the game-header format through the Game List Tags
dialog would result in a segfault.
---
 ngamelist.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/ngamelist.c b/ngamelist.c
index d202ad6..53df236 100644
--- a/ngamelist.c
+++ b/ngamelist.c
@@ -223,6 +223,7 @@ GameListReplace (int page)
 void
 GameListUpdate ()
 {
+    if(!DialogExists(GameListDlg)) return;
     GameListPrepare(False, False);
     GameListReplace(0);
 }
-- 
1.7.0.4