e.g., when opening the old help window ("Help - LibreOffice Help" in a build
configured with --with-help to "build the old local help" (configure.ac))

Change-Id: Icecd224774b98811ddf9545c5fa83a85fab259fc
Reviewed-on: https://gerrit.libreoffice.org/73390
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>