D5178: QtCurve/Qt5 : further KF5 adaptation

[Luigi Toscano]

ltoscano set the repository for this revision to R626 QtCurve.

REPOSITORY
  R626 QtCurve

REVISION DETAIL
  https://phabricator.kde.org/D5178

To: rjvbb, yuyichao
Cc: ltoscano, #frameworks, yuyichao