Cover fix

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Author: stweil

module/VuFind/src/VuFind/RecordDriver/DefaultRecord.php

@@ -33,6 +33,7 @@
 use VuFind\View\Helper\Root\RecordLinker;
 use VuFindCode\ISBN;
 
+use function array_slice;
 use function count;
 use function in_array;
 use function is_array;