Comment 2 for bug 964162

StacktraceTop:
 ?? ()
 _g_closure_invoke_va (closure=0x394ecc0, return_value=0x0, instance=0x7f74109f9000, args=0x7fff85a68bf8, n_params=0, param_types=<optimized out>) at /build/buildd/glib2.0-2.31.22/./gobject/gclosure.c:840
 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3207
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3352
 handle_keys_changed (data=0x7f74109f9000) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkwindow.c:1785