Remove double-wrapping of #ifdef ZERO_COPY_SOCKETS within zero copy specialized sosend_copyin() helper function.
Remove double-wrapping of #ifdef ZERO_COPY_SOCKETS within
zero copy specialized sosend_copyin() helper function.

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