pidl/ndr/python: avoid memory errors in getsetters
This:
$ python3 -c'from samba.dcerpc import lsa; x = lsa.EnumAccounts(); x.in_handle'
should not raise a MemoryError, which is very unfriendly given that
'x.in_handle' is just named, not called, as far as the user is
concerned. Returning None is the proper thing.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Noel Power <npower@samba.org>
Autobuild-User(master): Noel Power <npower@samba.org>
Autobuild-Date(master): Tue Aug 6 18:17:11 UTC 2019 on sn-devel-184