When the file-system containing the audit log file is running low on disk space a warning is printed.  Make this warning a bit more informative.
When the file-system containing the audit log file is running low on
disk space a warning is printed.  Make this warning a bit more
informative.

Approved by:	rwatson

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