... so replace with a simple value == 0.0 also in other modules than sc.

Change-Id: Ie7316505a1cf9c15100114b45d300facceb03b7e
Reviewed-on: https://gerrit.libreoffice.org/29575Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins <ci@libreoffice.org>