Make the unwind functions standard and not optional on ddb. They will eventually be used for ktrace(2) too.
Make the unwind functions standard and not optional on ddb. They
will eventually be used for ktrace(2) too.

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