[gnome-games] quadrapassel: Fix for recent change to GtkApplication

[Robert Ancell <rancell src gnome org>]

commit ad465874fdcc1724685bbdc283df99057eba7e00
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Feb 20 15:58:54 2012 +1100

    quadrapassel: Fix for recent change to GtkApplication

 quadrapassel/src/quadrapassel.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/quadrapassel/src/quadrapassel.vala b/quadrapassel/src/quadrapassel.vala
index ada04ad..4fc84ea 100644
--- a/quadrapassel/src/quadrapassel.vala
+++ b/quadrapassel/src/quadrapassel.vala
@@ -613,7 +613,7 @@ public class Quadrapassel : Gtk.Application
             switch (dialog.run ())
             {
             case Gtk.ResponseType.REJECT:
-                Gtk.main_quit ();
+                main_window.destroy ();
                 break;
             default:
                 new_game ();