D7732: Force KAuth helpers to have UTF-8 support

[David Edmundson]

davidedmundson added a reviewer: apol.

REPOSITORY
  R283 KAuth

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

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