MFC r268387: Fix task management functions status: task not found is not an error, while not implemented function is.
MFC r268387:
Fix task management functions status: task not found is not an error,
while not implemented function is.

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