Windows: HAVE_TIMEGM provided by roken

Reviewed-on: http://gerrit.openafs.org/10067
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 286c41ad6bec8b0a72d07fa42aecd21c3d744f63)

Change-Id: I276b583c65516e9cae0c6cce3f8c502755e018ad
Reviewed-on: http://gerrit.openafs.org/10076
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Windows: afsrpc.dll export afs_set_com_err_hook

Reviewed-on: http://gerrit.openafs.org/10068
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 4fd27ef65256f0179d16c91086d5c459c2c367d0)

Change-Id: Ieea705f1c8ae333a7040b42af04ead59b69fecea
Reviewed-on: http://gerrit.openafs.org/10077
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>