...where it could default to something like CP 1252 instead on Windows, while
keeping backwards compatibility for now with running under Python 2 (where
things apparently worked well with the original code).

Change-Id: I0ddd06771a36e1cd2cc2ce78abd8bd667db7778f
(cherry picked from commit c2445b03)
Reviewed-on: https://gerrit.libreoffice.org/1829Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>