D23819: [KConfigWidgets] port away from deprecated API in Qt 5.14

[David Faure]

dfaure closed this revision.

REPOSITORY
  R265 KConfigWidgets

REVISION DETAIL
  https://phabricator.kde.org/D23819

To: dfaure, vkrause
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns