[gnome-chess] Fix whitespace errors in previous commit

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 5fae150e48bf5f3c9b3cb34404914fba6d3ce80b
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Dec 16 19:07:00 2014 -0600

    Fix whitespace errors in previous commit

 lib/chess-clock.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/lib/chess-clock.vala b/lib/chess-clock.vala
index 093ccf3..94cba08 100644
--- a/lib/chess-clock.vala
+++ b/lib/chess-clock.vala
@@ -105,7 +105,7 @@ public class ChessClock : Object
 
         timer.stop ();
         stop_watching_timer ();
-       is_active = false;
+        is_active = false;
     }
 
     public void unpause ()
@@ -115,7 +115,7 @@ public class ChessClock : Object
 
         timer  continue ();
         watch_timer ();
-       is_active = true;
+        is_active = true;
     }
 
     private void watch_timer ()