NFSv4.1: Fix the slotid initialisation in nfs_async_rename()

This fixes an Oopsable condition that was introduced by commit
d3d4152a5d59af9e13a73efa9e9c24383fbe307f (nfs: make sillyrename an async
operation)

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
1 file changed