[BUGFIX] An error appears in the backend with PHP 7.1

Classes/Utility/BackendNewsUtility.php

@@ -411,7 +411,7 @@ class BackendNewsUtility {
 				->where(
 					$authorQueryBuilder->expr()->orX(
 						$authorQueryBuilder->expr()->like('author.name', $authorSearchParameter),
-						$authorQueryBuilder->expr()->like('author.email', $authorSearchParameter),
+						$authorQueryBuilder->expr()->like('author.email', $authorSearchParameter)
 					)
 				)->execute()->fetchAll();