Fix comments to relate to FreeBSD's current interrupt blocking functionality, as opposed to the legacy spl means.
Fix comments to relate to FreeBSD's current interrupt blocking
functionality, as opposed to the legacy spl means.

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