Add IFF_NEEDSGIANT to kernel PPP support.  I have no idea why this wasn't here, but it should have been.
Add IFF_NEEDSGIANT to kernel PPP support.  I have no idea why this wasn't
here, but it should have been.

MFC after:	3 days

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