list ctrl and tree ctrl didn't like the new focus code,

mem clean uop crash fixed.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6050 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/window.cpp

@@ -2147,7 +2147,10 @@ wxWindow::~wxWindow()
 
     if (m_widgetStyle)
     {
-        gtk_style_unref( m_widgetStyle );
+        // don't delete if it's a pixmap theme style
+        if (!m_widgetStyle->engine_data)
+            gtk_style_unref( m_widgetStyle );
+            
         m_widgetStyle = (GtkStyle*) NULL;
     }