D10863: [KRecentDocument] Use QGuiApplication::desktopFileName()

[Eike Hein]

hein accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D10863

To: broulik, #frameworks, #plasma, hein, aleksejshilin
Cc: michaelh