VS2013: Make ADO backwards compatible for SDK > 8.0

Change-Id: I2e607156831321cc0ea5c3030befb635c5acaed1
Reviewed-on: https://gerrit.libreoffice.org/10156
Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>