re-add the ps_signodefer.  The interaction between SA_NODEFER and the sa_mask was "non intuitive" and broke another of bde's test cases.
re-add the ps_signodefer.  The interaction between SA_NODEFER and the
sa_mask was "non intuitive" and broke another of bde's test cases.

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