Add support for PORT/EPRT FTP commands in lowercase. Use strncasecmp() instead of huge local implementation to reduce code size. Check space presence after command/code.
Add support for PORT/EPRT FTP commands in lowercase.
Use strncasecmp() instead of huge local implementation to reduce code size.
Check space presence after command/code.

PR:		kern/73034

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