Fixed XGetWindowAttributes so 'mapped' is reported

correctly. About box now pops up, but is a mess.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/x11/app.cpp

@@ -180,8 +180,10 @@ void wxApp::CleanUp()
 int wxEntryStart( int& argc, char *argv[] )
 {
 #ifdef __WXDEBUG__
+#if !wxUSE_NANOX
     // install the X error handler
     gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler );
+#endif
 #endif // __WXDEBUG__
 
     wxString displayName;