Avoiding bad call flags with python 3.8, using METH_NOARGS instead of zero.

Avoiding bad call flags with python 3.8, using METH_NOARGS instead of zero.

(C) SBE network solutions GmbH

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14209

Signed-off-by: Torsten Fohrer <torsten.fohrer@sbe.de>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Dec 18 14:33:58 UTC 2019 on sn-devel-184

(cherry picked from commit f0eb1e623f76d3dbd0c22f96cabebd1041c147df)