Support only LOOKUP operation for "/" in relookup() because lookup() can't succeed for CREATE, DELETE and RENAME.
Support only LOOKUP operation for "/" in relookup() because lookup()
can't succeed for CREATE, DELETE and RENAME.

Discussed with:	bde

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