Avoid extra allocations since we only the actual line for the case.

Change-Id: I0d0f0db394d9075bbdce24d1d5b5efa55c52f9b3
Reviewed-on: http://codereview.qt.nokia.com/261


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@nokia.com>