Update comments to reflect changes made by phk. Also no longer need <sys/sysctl.h>.
Update comments to reflect changes made by phk. Also no longer need
<sys/sysctl.h>.

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