Comment 2 for bug 743050

StacktraceTop:
 dbusmenu_menuitem_send_about_to_show (mi=<value optimized out>, cb=0, cb_data=0x0) at /build/buildd/libdbusmenu-0.4.0/./libdbusmenu-glib/menuitem.c:1732
 g_closure_invoke (closure=0x114d100, return_value=0x0, n_param_values=1, param_values=0xe32360, invocation_hint=0x7fffc2840960) at /build/buildd/glib2.0-2.28.4/./gobject/gclosure.c:767
 signal_emit_unlocked_R (node=<value optimized out>, detail=0, instance=0x113f590, emission_return=0x0, instance_and_params=0xe32360) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:3252
 g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:2983
 g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:3040