Hotfix NPE

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Main/src/de/steamwar/fightsystem/winconditions/WinconditionPoints.java

@@ -40,6 +40,7 @@ public class WinconditionPoints extends PlayerWincondition {
     @Override
     public void disable() {
         super.disable();
+        if(countdown != null)
             countdown.disable();
     }