Don't pass a QVariant pointer for the return value when we're
not interested in it and the return type might not even be a
QVariant (that would be only true for QML methods).
Task-number: QTBUG-32801
Change-Id: I8f14e40d8f94caef7e3d086b776735f0484dbf0e
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
J-P Nurmi