This follows suit with aeb036e in qtbase.

Change-Id: I3b93a30194cddd7514f05ce915eecb2e1ed6433c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>