nfsd4: need to destroy revoked delegations in destroy_client
nfsd4: need to destroy revoked delegations in destroy_client

[use list_splice_init]
Signed-off-by: Benny Halevy <23c997c90eb8537635e9392d48e7af1bf1b2ca22@primarydata.com>
[bfields: no need for recall_lock here]
Signed-off-by: J. Bruce Fields <51738506c1b2ccb0761f23bdc612c93babf738ea@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs