Add ftp4.se.freebsd.org to the set of mirrors.
Add ftp4.se.freebsd.org to the set of mirrors.

PR:	bin/150552
Submitted by:	Niclas Zeising <zeising at lysator.liu.se>
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