QtIFW

fix that the checkupdate argument makes the right output

Change-Id: Ia98566cf1047077d86db519414930241d5cb00ca
Reviewed-on: http://codereview.qt.nokia.com/4210
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Karsten Heimrich <karsten.heimrich@nokia.com>
Reviewed-by: Tim Jenssen <tim.jenssen@nokia.com>