D19027: Fix "Invalid URL: QUrl("some.txt")" warnings in Save dialog

[David Faure]

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

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D19027

To: Lekensteyn, ngraham, dfaure, fvogt, #frameworks
Cc: kde-frameworks-devel, michaelh, ngraham, bruns