Change prototype for addbuf to make it compatible with tputs now that there is a prototype to check it against.
Change prototype for addbuf to make it compatible with tputs now that
there is a prototype to check it against.

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