D14663: Give the "invalid directory name" dialog a cancel button

[David Faure]

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

REPOSITORY
  R241 KIO

BRANCH
  arcpatch-D14663

REVISION DETAIL
  https://phabricator.kde.org/D14663

To: ngraham, #vdg, #frameworks, elvisangelaccio, #dolphin, dfaure
Cc: kde-frameworks-devel, michaelh, ngraham, bruns