Comment 2 for bug 1430093

StacktraceTop:
 g_type_check_instance_is_a (type_instance=type_instance@entry=0xd1f3f0, iface_type=<optimized out>) at /build/buildd/glib2.0-2.43.91/./gobject/gtype.c:4016
 nautilus_window_sync_location_widgets (window=window@entry=0x122a490) at nautilus-window.c:1029
 real_active (slot=0xf22c10) at nautilus-window-slot.c:572
 g_closure_invoke (closure=0xe7fe70, return_value=0x0, n_param_values=1, param_values=0x7ffcf2764670, invocation_hint=0x7ffcf2764610) at /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c:768
 signal_emit_unlocked_R (node=node@entry=0xf2b460, detail=detail@entry=0, instance=instance@entry=0xf22c10, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffcf2764670) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3587