Windows: afslogon NPLogonNotify exit on KTC_NOCM

Windows: afslogon NPLogonNotify exit on KTC_NOCM

If the service has started but is not responding to pioctls,
permit the NPLogonNotify() routine to exit.

Reviewed-on: http://gerrit.openafs.org/5315
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
(cherry picked from commit 971a103cd088ddbaf227d562fc64f8c728bbc235)

Change-Id: I9cba8296271609220de2d0a7ecbb7721e4672077
Reviewed-on: http://gerrit.openafs.org/5320
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Jeffrey Altman <jaltman@openafs.org>