Fix a comment that got missed by r221973 which changed the sysctl naming for the old NFS client to vfs.oldnfs.
Fix a comment that got missed by r221973 which changed
the sysctl naming for the old NFS client to vfs.oldnfs.

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