Change sparc64 to use the initial exec TLS model, too. This avoids random assertion failures in _malloc_thread_cleanup().
Change sparc64 to use the initial exec TLS model, too. This avoids random
assertion failures in _malloc_thread_cleanup().

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