[PATCH] NFSv4: empty array fix

 Older gcc's don't like this.

 fs/nfs/nfs4proc.c:2194: field `data' has incomplete type

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>