...that are included from both lotuswordpro/source/filter and
lotuswordpro/source/filter/xfilter.  Change done in preparation of
loplugin:includeform.

Change-Id: I7b65d3232e164af662b7de5bb49d59597803d41c
Reviewed-on: https://gerrit.libreoffice.org/43453Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>