Windows: set hard dead timeout not conn timeout for probes

For the Rx connections used for probing VL and FILE servers set a
hard dead timeout and not a connection timeout.   A connection timeout
will not terminate the call as long as the lastReceiveTime continues
to be updated by ping packets.  The hard dead timeout will cause the
connection to fail when the 10 second limit expires.

Reviewed-on: http://gerrit.openafs.org/11401
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit bf687348e0269deb0d76475ba9b7219a6e1b40e8)

Change-Id: Iec8fe647c8497d28c29130189c7e44aa832061cb
Reviewed-on: http://gerrit.openafs.org/11413
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>