Windows: AFS_NAME_ARRAY_TAG value

The AFS_NAME_ARRAY_TAG value collided with AFS_NAME_BUFFER_TEN_TAG.
Change its definition.

Change-Id: I29ff2d4cb7f5d1afebea91cbb5c294ecedbe50a2
Reviewed-on: http://gerrit.openafs.org/9339
Reviewed-by: Rod Widdowson <rdw@steadingsoftware.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>