Don't reference a node after we dropped a reference to it (same as in previous checkin, but in a different function).
Don't reference a node after we dropped a reference to it
(same as in previous checkin, but in a different function).

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