NFSv4: Deal with a sparse warning in nfs4_opendata_alloc

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f50ad28..3bc1632 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -933,7 +933,7 @@
 		p->o_arg.fh = NFS_FH(dentry->d_inode);
 	}
 	if (attrs != NULL && attrs->ia_valid != 0) {
-		__be32 verf[2];
+		__u32 verf[2];
 
 		p->o_arg.u.attrs = &p->attrs;
 		memcpy(&p->attrs, attrs, sizeof(p->attrs));