Change TagCloudBoxController to an abstract class

Close #3319

diff --git a/wcfsetup/install/files/lib/system/box/TagCloudBoxController.class.php b/wcfsetup/install/files/lib/system/box/TagCloudBoxController.class.php
index 62c0e736e7e01278eebd480837d18f832e5c0598..cdd75f3b73bfb24da61cd2b4b173538cccdc5693 100644 (file)
--- a/wcfsetup/install/files/lib/system/box/TagCloudBoxController.class.php
+++ b/wcfsetup/install/files/lib/system/box/TagCloudBoxController.class.php
@@ -13,7 +13,7 @@ use wcf\system\WCF;
  * @license    GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  * @package    WoltLabSuite\Core\System\Box
  */
-class TagCloudBoxController extends AbstractBoxController {
+abstract class TagCloudBoxController extends AbstractBoxController {
        /**
         * @inheritDoc
         */