Minor cleanups:
Minor cleanups:

- Fix typo in comment
- Remember to free() sc->ndis_txarray on detach
- Remember to do an ifmedia_removeall() for ethernet devices

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