Make code compile on MacOS with current QtSDK.
Make code compile on MacOS with current QtSDK.

Change-Id: Ib76150bf04cfe66f6dfac08408ba9492155db875
Sanity-Review: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: David Faure <86a8c136eda381b2295095fae2f365917f1ca4ea@kde.org>

d1vanov/qt4-mimetypes,d1vanov/qt4-mimetypes,d1vanov/qt4-mimetypes,qtproject/playground-mimetypes,qtproject/playground-mimetypes,d1vanov/qt4-mimetypes,qtproject/playground-mimetypes,qtproject/playground-mimetypes,d1vanov/qt4-mimetypes,qtproject/playground-mimetypes,d1vanov/qt4-mimetypes,qtproject/playground-mimetypes,qtproject/playground-mimetypes,qtproject/playground-mimetypes,qtproject/playground-mimetypes,d1vanov/qt4-mimetypes,d1vanov/qt4-mimetypes,d1vanov/qt4-mimetypes