Change the default emulation to elf64_sparc_fbsd.  This emulation knows the correct spelling of our rtld.
Change the default emulation to elf64_sparc_fbsd.  This emulation knows the
correct spelling of our rtld.

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