Ensure that FileInfo return values as required by its phpdoc.
Ensure that FileInfo return values as required by its phpdoc.

Signed-off-by: Morris Jobke <7f550a9f4c44173a37664d938f1355f0f92a47a7@morrisjobke.de>

endsguy/server,andreas-p/nextcloud-server,michaelletzgus/nextcloud-server,nextcloud/server,andreas-p/nextcloud-server,Ardinis/server,Ardinis/server,pixelipo/server,nextcloud/server,Ardinis/server,nextcloud/server,andreas-p/nextcloud-server,endsguy/server,Ardinis/server,pixelipo/server,pixelipo/server,endsguy/server,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,michaelletzgus/nextcloud-server,nextcloud/server,endsguy/server,Ardinis/server,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,pixelipo/server,pixelipo/server,endsguy/server