Comment 2 for bug 746091

StacktraceTop:
 g_type_check_instance (type_instance=0x9e41340) at /build/buildd/glib2.0-2.28.4/./gobject/gtype.c:4068
 g_signal_handlers_disconnect_matched (instance=0x9e41340, mask=24, signal_id=0, detail=0, closure=0x0, func=0x633b20, data=0x9e69190) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:2672
 IA__gtk_accel_label_set_accel_closure (accel_label=0x9e69190, accel_closure=0x0) at /build/buildd/gtk+2.0-2.24.3/gtk/gtkaccellabel.c:537
 IA__gtk_accel_label_set_accel_widget (accel_label=0x9e69190, accel_widget=0x0) at /build/buildd/gtk+2.0-2.24.3/gtk/gtkaccellabel.c:475
 gtk_accel_label_destroy (object=0x9e69190) at /build/buildd/gtk+2.0-2.24.3/gtk/gtkaccellabel.c:276