[CLEANUP] Initialize variable in EXT:filelist

Resolves: #79866
Releases: master
Change-Id: Iffb59947ae8a2790736352c473637ac184796b36
Reviewed-on: https://review.typo3.org/51726


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/filelist/Classes/FileFacade.php

@@ -43,6 +43,11 @@ class FileFacade
      */
     protected $resource;
 
+    /**
+     * @var \TYPO3\CMS\Core\Imaging\IconFactory
+     */
+    protected $iconFactory;
+
     /**
      * @param \TYPO3\CMS\Core\Resource\FileInterface $resource
      * @internal Do not use outside of EXT:filelist!