Be consistent with other utilities in spelling "Kbytes".  (Actually, there even was one of them about ten lines above in the same file.)
Be consistent with other utilities in spelling "Kbytes".  (Actually,
there even was one of them about ten lines above in the same file.)

Reminded by:	joerg's commit to usr.bin/ftp/ftp.c rev 1.9

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