D11149: Create a constructor for KLocalizedStringPrivate

[Chusslove Illich]

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

REPOSITORY
  R249 KI18n

REVISION DETAIL
  https://phabricator.kde.org/D11149

To: jtamate, #frameworks, ilic
Cc: ilic, michaelh