Add a new privilage category for DDB(4), and add PRIV_DDB_CAPTURE to control access to the DDB capture buffer.
Add a new privilage category for DDB(4), and add PRIV_DDB_CAPTURE to
control access to the DDB capture buffer.

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