D10593: Fix qmake warning for Kirigami

[Ilya Bizyaev]

IlyaBizyaev added a reviewer: mart.

REPOSITORY
  R169 Kirigami

REVISION DETAIL
  https://phabricator.kde.org/D10593

To: IlyaBizyaev, mart
Cc: plasma-devel, apol, davidedmundson, mart, hein