Fixed the previous fix.  The original path was annulled when it was a directory, so the error message for attempting to unmount an unmounted-on directory was more broken than before.
Fixed the previous fix.  The original path was annulled when it
was a directory, so the error message for attempting to unmount
an unmounted-on directory was more broken than before.

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