Part 2 of rev 1.68.  Update comment to match reality now that vm_endcopy exists and we no longer copy to the end of the struct.
Part 2 of rev 1.68.  Update comment to match reality now that vm_endcopy
exists and we no longer copy to the end of the struct.

Forgotten by:  alfred and green

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