Update lib/private/Files/Storage/Wrapper/Availability.php add void

Signed-off-by: Vincent Petry <vincent@nextcloud.com>

Co-authored-by: Carl Schwan <carl@carlschwan.eu>

Author: PVince81

lib/private/Files/Storage/Wrapper/Availability.php

@@ -453,7 +453,7 @@ public function getMetaData($path) {
 	/**
 	 * @throws StorageNotAvailableException
 	 */
-	protected function setUnavailable(?StorageNotAvailableException $e) {
+	protected function setUnavailable(?StorageNotAvailableException $e): void {
 		$delay = self::RECHECK_TTL_SEC;
 		if ($e instanceof StorageAuthException) {
 			$delay = max(