NFS: fix nfs_fetch_iversion()

The change attribute is always set by all NFS client versions so get rid
of the open-coded version.

Fixes: 3cc55f4434 ("nfs: use change attribute for NFS re-exports")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2021-03-24 15:32:21 -04:00
commit b876d70831