remove HAVE_SETPGRP, because it doesn't detach terminal in POSIX (setsid() is only way to do it)
remove HAVE_SETPGRP, because it doesn't detach terminal
in POSIX (setsid() is only way to do it)

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