zapnot the signed bits in atomic_cmpset_32.  Previously this did not work with negative values because the original value was sign extended but the compared value was not.
zapnot the signed bits in atomic_cmpset_32.  Previously this did not work with
negative values because the original value was sign extended but the compared
value was not.

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