Comment 2 for bug 1016737

StacktraceTop:
 panel_indicator_entry_accessible_get_n_children (accessible=0x9549318) at /build/buildd/unity-5.12/services/panel-indicator-entry-accessible.c:256
 atk_object_get_n_accessible_children () from /tmp/tmpBEgqk1/usr/lib/i386-linux-gnu/libatk-1.0.so.0
 append_children (traversal=0x93332a0, accessible=0x9549318) at ../../atk-adaptor/accessible-cache.c:235
 add_pending_items (data=data@entry=0x940e000) at ../../atk-adaptor/accessible-cache.c:291
 g_idle_dispatch (source=source@entry=0x95963b0, callback=0xb6394490 <add_pending_items>, user_data=0x940e000) at /build/buildd/glib2.0-2.33.2/./glib/gmain.c:4657