Comment 2 for bug 1191853

StacktraceTop:
 wnck_window_get_actions (window=0x1c5b540) at window.c:2171
 update_menu_state (menu=0x1fb6460) at window-action-menu.c:408
 g_main_dispatch (context=0x1aec4d0) at /build/buildd/glib2.0-2.37.1/./glib/gmain.c:3058
 g_main_context_dispatch (context=context@entry=0x1aec4d0) at /build/buildd/glib2.0-2.37.1/./glib/gmain.c:3634
 g_main_context_iterate (context=0x1aec4d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.1/./glib/gmain.c:3705