Comment 2 for bug 1040182

StacktraceTop:
 g_action_muxer_insert (muxer=0x2112210, prefix=0x7f3036076edd "tkAppChooserWidget", action_group=0x20ec050) at /build/buildd/gtk+3.0-3.5.12/./gtk/gactionmuxer.c:645
 gtk_window_set_application (window=0x20f6000, application=0x20ec050) at /build/buildd/gtk+3.0-3.5.12/./gtk/gtkwindow.c:2841
 gtk_application_window_added (application=0x7f3033acb740, window=0x5) at /build/buildd/gtk+3.0-3.5.12/./gtk/gtkapplication.c:503
 ?? ()
 g_cclosure_marshal_VOID__OBJECTv (closure=0x20f6000, return_value=<optimized out>, instance=0x7f3035dc5ff0, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x20e8e50) at /build/buildd/glib2.0-2.33.10/./gobject/gmarshal.c:1312