Windows: CM_CONFIG_DATA_VERSION  23

The cm_volume_t data structure changed.  Increment the data version
for the 1.7.24 release.

Change-Id: I324525db34e644cf7ac915742e5da6895f351531
Reviewed-on: http://gerrit.openafs.org/9746
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>