Initialize members in the right order

... to fix compiler warning.

Change-Id: I3328d17b498b22d9c8703d0f034b3b9f944c1b17
Reviewed-on: http://codereview.qt-project.org/5880


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Alan Alpert <alan.alpert@nokia.com>