Close TinyProtocol on shutdown

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

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.java

@@ -151,6 +151,7 @@ public class FightSystem extends JavaPlugin {
 
     @Override
     public void onDisable() {
+        ProtocolAPI.tinyProtocol.close();
         GlobalRecorder.getInstance().close();
     }