* Add get() method to tools::SvRef

Change-Id: I3825852176c9c37f3ee21f4fd57328b1c7451951
Reviewed-on: https://gerrit.libreoffice.org/14268Tested-by: Michael Stahl <mstahl@redhat.com>
Reviewed-by: Michael Stahl <mstahl@redhat.com>