USUBCLASS_MODEM -> USUBCLASS_ABSTRACT_CONTROL_MODEL
USUBCLASS_MODEM -> USUBCLASS_ABSTRACT_CONTROL_MODEL

Matches the header file change, and makes this compile.

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