[issue6420] Fix warning in nismodule.c on OpenBSD

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

Does someone know whether FreeBSD or NetBSD need the same treatment?

----------
nosy: +amaury.forgeotdarc

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue6420>
_______________________________________