Comment 2 for bug 758735

StacktraceTop:
 g_settings_backend_dispatch_signal (backend=0x980e0e8, function_offset=4, name=0xb2a91510 "/com/canonical/indicator/datetime/", data1=0x0, data1_copy=0xb72427e0 <pointer_id>, data1_free=0xb72427f0 <pointer_ignore>, data2=0x0) at /build/buildd/glib2.0-2.28.5/./gio/gsettingsbackend.c:334
 g_settings_backend_path_changed (backend=0x980e0e8, path=0xb2a91510 "/com/canonical/indicator/datetime/", origin_tag=0x0) at /build/buildd/glib2.0-2.28.5/./gio/gsettingsbackend.c:490
 add_match_done (source=0x980a848, result=0xb2c35350, user_data=0xb1c83e68) at dconfsettingsbackend.c:552
 g_simple_async_result_complete (simple=0xb2c35350) at /build/buildd/glib2.0-2.28.5/./gio/gsimpleasyncresult.c:747
 g_dbus_connection_call_done (source=0x980a848, result=0xb2c31100, user_data=0xb2c33e20) at /build/buildd/glib2.0-2.28.5/./gio/gdbusconnection.c:5003