The problem was that with an empty filename and index of 0, all raw fonts
loaded from data had the same FaceId, and we wouldn't bother to load
another one after doing this once.
This commit introduces a uuid in FaceId to help distinguish them in
that case.
Change-Id: I93655ff07a7d8856af1f854024e207c519f8ed1a
Reviewed-on: http://codereview.qt.nokia.com/1882
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jiang Jiang <jiang.jiang@nokia.com>
f74296ef7c