Disconnect all GTK signals referencing a wx object which is being destructed

or which is destroying the associated GTK object


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72696 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/toplevel.cpp

@@ -269,7 +269,7 @@ gtk_frame_configure_callback( GtkWidget* widget,
                               GdkEventConfigure *WXUNUSED(event),
                               wxTopLevelWindowGTK *win )
 {
-    if (!win->m_hasVMT || !win->IsShown())
+    if (!win->IsShown())
         return FALSE;
 
     wxPoint point;