Add a macro for ISO/IEC 9945-1: 1996, the official designation of the most recent POSIX.1 standard.
Add a macro for ISO/IEC 9945-1: 1996, the official designation of the most
recent POSIX.1 standard.

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