D6549: Look for QtGraphicalEffects, so packagers don't forget it

[David Edmundson]

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

REPOSITORY
  R169 Kirigami

BRANCH
  arcpatch-D6549

REVISION DETAIL
  https://phabricator.kde.org/D6549

To: apol, #kirigami, sitter, mart, davidedmundson
Cc: plasma-devel, apol, mart