D17269: Fix build failure in neon by adding QVariant include.

[Aleix Pol Gonzalez]

apol accepted this revision.

REPOSITORY
  R244 KCoreAddons

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D17269

To: scarlettclark, apol, mart, ngraham
Cc: bruns, ngraham, kde-frameworks-devel, michaelh