[gnome-chess] Undo and resign: mark insensitive when game over

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 95a740777522c88b6921b4ef8043b60a99d2800d
Author: Michael Catanzaro <mike catanzaro gmail com>
Date:   Tue May 21 19:28:07 2013 -0500

    Undo and resign: mark insensitive when game over

 src/gnome-chess.vala |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/gnome-chess.vala b/src/gnome-chess.vala
index 835e120..166e79a 100644
--- a/src/gnome-chess.vala
+++ b/src/gnome-chess.vala
@@ -858,6 +858,9 @@ public class Application : Gtk.Application
 
     private void game_end_cb (ChessGame game)
     {
+        resign_menu.sensitive = resign_button.sensitive = false;
+        undo_menu.sensitive = undo_button.sensitive = false;
+
         if (opponent_engine != null)
             opponent_engine.stop ();