D7732: Force KAuth helpers to have UTF-8 support

[Albert Astals Cid]

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

REPOSITORY
  R283 KAuth

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D7732

To: davidedmundson, apol, aacid
Cc: kde-frameworks-devel, aacid, ltoscano, michaelh, ngraham, bruns