Merge pull request #21877 from owncloud/fix_dav_app

Add missing use statements for IGroupManager and IUserSession

apps/dav/lib/systemtag/systemtagsrelationscollection.php

@@ -26,6 +26,8 @@ use OCP\SystemTag\ISystemTagManager;
 use OCP\SystemTag\ISystemTagObjectMapper;
 use Sabre\DAV\Exception\Forbidden;
 use Sabre\DAV\SimpleCollection;
+use OCP\IUserSession;
+use OCP\IGroupManager;
 
 class SystemTagsRelationsCollection extends SimpleCollection {