This change removes the requirement that an ACL contain no ACL_USER
entries with a uid the same as those of a file, or ACL_GROUP entries
with a gid the same as those of a file. This requirement is not in the
specification, and not enforced by the kernel's ACL implementation.
Reported by: Iustin Pop <iusty at k1024 dot org>
MFC after: 1 week