Qnx: Remove unused member variable

Change-Id: I24fcfb397bcce8e801c36f3bc197a7448bc4f69c
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Core: Fix qbs build.

Change-Id: Ic2b52bd2753e395ae451bd64df883e786b64800e
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>