D27399: make sure the size hints are integer and even

[Kai Uwe Broulik]

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

REPOSITORY
  R242 Plasma Framework (Library)

BRANCH
  phab/sizefixes

REVISION DETAIL
  https://phabricator.kde.org/D27399

To: mart, broulik
Cc: kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, bruns