Recognize FreeBSD 5.1; libc_gen/signbit.3 has set the precedent.
Recognize FreeBSD 5.1; libc_gen/signbit.3 has set the precedent.

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