Do not pass on snippet lines to child parser where they might cause
confusion.

Change-Id: Ia30726842b0b0a4c2871c3b8e56539d9b79ccfd8
Reviewed-on: http://codereview.qt.nokia.com/343


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>