fix a bug to handling the argument that it passed `device_t' but it's handled as `struct ndis_softc'.  It'll cause a panic when the driver is detached.
fix a bug to handling the argument that it passed `device_t' but it's
handled as `struct ndis_softc'.  It'll cause a panic when the driver is
detached.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase