NFSv4.1: Always send a RECLAIM_COMPLETE after establishing lease

The spec requires that we always at least send a RECLAIM_COMPLETE when
we're done establishing the lease and recovering any state.

Fixes: fce5c838 ("nfs41: RECLAIM_COMPLETE functionality")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>