[gnome-mahjongg] Add Game.reset_clock()

[Michael Catanzaro <mcatanzaro src gnome org>]

commit fb67b2b5f7ee82efcb6fe3e9834518a8621a5664
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Feb 19 19:24:29 2014 -0600

    Add Game.reset_clock()
    
    Simplifies the implementation of Game.reset()

 src/game.vala |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/src/game.vala b/src/game.vala
index 72091e2..87baad5 100644
--- a/src/game.vala
+++ b/src/game.vala
@@ -252,9 +252,7 @@ public class Game
 
     public void reset ()
     {
-        stop_clock ();
-        clock = null;
-        clock_elapsed = 0.0;
+        reset_clock ();
         selected_tile = null;
         set_hint (null, null);
         foreach (var tile in tiles)
@@ -454,6 +452,13 @@ public class Game
         timeout_cb ();
     }
 
+    private void reset_clock ()
+    {
+        stop_clock ();
+        clock = null;
+        clock_elapsed = 0.0;
+    }
+
     private bool timeout_cb ()
     {
         /* Notify on the next tick */