Don't ignore the return from tcsetattr() - moan about it instead.
Don't ignore the return from tcsetattr() - moan about it instead.

Suggested by: Andre Albsmeier <andre@akademie3000.de>

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