bug oFilesManager undefined

src/vitis/vas/rest/ws/vitis/FileDownloader.class.inc

@@ -40,6 +40,7 @@ class FileDownloader extends Vitis {
     function __construct($aPath, $aValues, $properties, $bShortcut = false, $oConnection = false) {
         $this->aValues = $aValues;
         $this->aProperties = $properties;
+        $this->oFilesManager = new Files_manager($this->aProperties);
     }
 
     /**