[iagno/gnome-3-10] Workaround signal misfires

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 98f01738b7c60e00ebea46d88acaf83ebc6ef946
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Sep 27 23:45:11 2013 -0500

    Workaround signal misfires
    
    https://bugzilla.gnome.org/show_bug.cgi?id=708130

 src/iagno.vala |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/iagno.vala b/src/iagno.vala
index 15ab00d..ba9b059 100644
--- a/src/iagno.vala
+++ b/src/iagno.vala
@@ -342,8 +342,11 @@ public class Iagno : Gtk.Application
         }
     }
 
-    private void game_move_cb ()
+    private void game_move_cb (Game g)
     {
+        /* Bug #708130 */
+        return_if_fail (g == game);
+
         play_sound ("flip-piece");
 
         if (!game.can_move)