Comment 2 for bug 1073582

StacktraceTop:
 g_object_notify_queue_freeze (object=object@entry=0x9e06008, conditional=conditional@entry=0) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:241
 g_object_set_valist (object=object@entry=0x9e06008, first_property_name=first_property_name@entry=0x80b84b1 "can-focus", var_args=var_args@entry=0xbf914fb8 "") at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1906
 g_object_set (_object=0x9e06008, first_property_name=first_property_name@entry=0x80b84b1 "can-focus") at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:2058
 button_pressed (widget=0x9e06008, event=0x9e9f2e8, user_data=0x0) at navigation-tree.c:355
 _gtk_marshal_BOOLEAN__BOXED (closure=closure@entry=0x9e08e58, return_value=return_value@entry=0xbf915150, n_param_values=n_param_values@entry=2, param_values=param_values@entry=0xbf9151c0, invocation_hint=invocation_hint@entry=0xbf91516c, marshal_data=marshal_data@entry=0x0) at /build/buildd/gtk+2.0-2.24.13/gtk/gtkmarshalers.c:86