A pro file that adds files to QMAKE_BUNDLE_DATA using relative
paths will fail building if doing shadow builds. The reason is
that we look for the files inside the build dir.
This change will make sure we resolve files from the source dir
when not using full paths.
Task-number: QTBUG-37054
Change-Id: Ic1067861097b3b6a640ee862472d728d6188576a
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>