Add support for the IFF_MULTICAST flag. There's not much to do because we are a point-to-point interface.
Add support for the IFF_MULTICAST flag. There's not
much to do because we are a point-to-point interface.

Submitted by:	phk

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