From ac7f6cf0a9cff648a98e3cecea1f99626a5cd74a Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 25 Jul 2004 23:42:45 +0000
Subject: [PATCH] check if wxTheApp still exists in FreeColour(); fixes crash
 on shutdown

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/x11/colour.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/x11/colour.cpp b/src/x11/colour.cpp
index b334a9b931..9ce03f2d5b 100644
--- a/src/x11/colour.cpp
+++ b/src/x11/colour.cpp
@@ -93,8 +93,9 @@ void wxColourRefData::FreeColour()
     if (!m_colormap)
         return;
 #if !wxUSE_NANOX
-    if ((wxTheApp->m_visualInfo->m_visualType == GrayScale) ||
-        (wxTheApp->m_visualInfo->m_visualType == PseudoColor))
+    if ( wxTheApp &&
+         (wxTheApp->m_visualInfo->m_visualType == GrayScale ||
+          wxTheApp->m_visualInfo->m_visualType == PseudoColor) )
     {
         int idx = m_color.pixel;
         colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] - 1;