Use a more helpful fatal error message than "Toto! This doesn't look like Kansas anymore!" when unable to return to the original working directory.
Use a more helpful fatal error message than "Toto! This doesn't look
like Kansas anymore!" when unable to return to the original working
directory.

PR:		bin/16015

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