cifs: remove rfc1002 header from smb2_lease_ack

{

	int rc;

	struct smb2_lease_ack *req = NULL;

	struct cifs_ses *ses = tcon->ses;

	int flags = CIFS_OBREAK_OP;

	unsigned int total_len;

	struct kvec iov[1];

	struct kvec rsp_iov;

	int resp_buf_type;

	cifs_dbg(FYI, "SMB2_lease_break\n");

	rc = small_smb2_init(SMB2_OPLOCK_BREAK, tcon, (void **) &req);

	rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, (void **) &req,

			     &total_len);

	if (rc)

		return rc;

	if (encryption_required(tcon))

		flags |= CIFS_TRANSFORM_REQ;

	req->hdr.sync_hdr.CreditRequest = cpu_to_le16(1);

	req->sync_hdr.CreditRequest = cpu_to_le16(1);

	req->StructureSize = cpu_to_le16(36);

	inc_rfc1001_len(req, 12);

	total_len += 12;

	memcpy(req->LeaseKey, lease_key, 16);

	req->LeaseState = lease_state;

	rc = SendReceiveNoRsp(xid, tcon->ses, (char *) req, flags);

	flags |= CIFS_NO_RESP;

	iov[0].iov_base = (char *)req;

	iov[0].iov_len = total_len;

	rc = smb2_send_recv(xid, ses, iov, 1, &resp_buf_type, flags, &rsp_iov);

	cifs_small_buf_release(req);

	if (rc) {

} __packed;

struct smb2_lease_ack {

	struct smb2_hdr hdr;

	struct smb2_sync_hdr sync_hdr;

	__le16 StructureSize; /* Must be 36 */

	__le16 Reserved;

	__le32 Flags;