Fix npcs #3

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

src/de/steamwar/bungeecore/BungeeCore.java

@@ -205,7 +205,8 @@ public class BungeeCore extends Plugin {
             }
         }
 
-        tablistManager.disable();
+        if(tablistManager != null)
+            tablistManager.disable();
         errorLogger.unregister();
         Statement.closeAll();
     }