Windows: fs checkserver skip multi-homed up server

Windows: fs checkserver skip multi-homed up server

Multi-homed file servers can be detected by comparing the
uuid for the cm_server_t entries.  If a server has at least
one up interface, do not list it as being down in the "fs checkserver"
response list.

Reviewed-on: http://gerrit.openafs.org/3603
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Tested-by: Jeffrey Altman <jaltman@openafs.org>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
(cherry picked from commit 4e3207335771b78ff27a1f1c0755cdfcf78d7f30)

Change-Id: Idc6ae445bc9fad467dede51d5885646bb610c0ef
Reviewed-on: http://gerrit.openafs.org/3809
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>