Comment 2 for bug 959821

StacktraceTop:
 dbusmenu_menuitem_property_remove (mi=0x1a816a0, property=0x7ff738b6554f "icon-name") at /build/buildd/libdbusmenu-0.5.94/./libdbusmenu-glib/menuitem.c:1448
 update_icon (menuitem=0x1a816a0, pdata=<optimized out>, gmenuitem=<optimized out>, image=<optimized out>) at /build/buildd/libdbusmenu-0.5.94/./libdbusmenu-gtk/parser.c:842
 widget_notify_cb (widget=0x12262a0, pspec=<optimized out>, data=0x1a816a0) at /build/buildd/libdbusmenu-0.5.94/./libdbusmenu-gtk/parser.c:1180
 g_closure_invoke (closure=0x1d1dd80, return_value=0x0, n_param_values=2, param_values=0x1694d90, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=<optimized out>, detail=1550, instance=<optimized out>, emission_return=0x0, instance_and_params=0x1694d90) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3547