NTCloseWinsAddr(
  IN  tDEVICECONTEXT  *pDeviceContext,
  IN  PIRP            pIrp
  );
Routine Description:

    This Routine handles closing the Wins Object that is used by
    by WINS to send and receive name service datagrams on port 137.

Arguments:

    pIrp - a  ptr to an IRP

Return Value:

    NTSTATUS - status of the request