Enable autoflush of output to always show prompts.  If piping the output prior to this patch, the prompt would not appear due to buffering.
Enable autoflush of output to always show prompts.  If piping the output
prior to this patch, the prompt would not appear due to buffering.

Approved by:	flz

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