indent tdfx line similarly to rest of the file
indent tdfx line similarly to rest of the file

note that freebsd-ipfw@freebsd.org should be sent patches before making
changes to ipfw.

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