in commit 841e1a6f, since MSVC 2015
still does not pack heterogenous bitfields tightly

Change-Id: I251c797492762cbd2381496b2f2c6c3223d563c6
Reviewed-on: https://gerrit.libreoffice.org/36800Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>