Also clean up the filecache table when deleting a storage entry

lib/private/files/cache/storage.php

@@ -77,10 +77,16 @@ class Storage {
 	 * @param string $storageId
 	 */
 	public static function remove($storageId) {
+		$storageCache = new Storage($storageId);
+		$numericId = $storageCache->getNumericId();
+
 		if (strlen($storageId) > 64) {
 			$storageId = md5($storageId);
 		}
 		$sql = 'DELETE FROM `*PREFIX*storages` WHERE `id` = ?';
 		\OC_DB::executeAudited($sql, array($storageId));
+
+		$sql = 'DELETE FROM `*PREFIX*filecache` WHERE `storage` = ?';
+		\OC_DB::executeAudited($sql, array($numericId));
 	}
 }