Add mkstemps from OpenBSD.  This has been in my tree for months and hasn't caused any problems until the egcs import.  This fix breaks the world build, but my very next commit will remove mkstemps from the egcs build.
Add mkstemps from OpenBSD.  This has been in my tree for months and
hasn't caused any problems until the egcs import.  This fix breaks the
world build, but my very next commit will remove mkstemps from the
egcs build.

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