cifs: fix computation for MAX_SMB2_HDR_SIZE

The size of the fixed part of the create response is 88 bytes not 56.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
1 file changed