Mark the vtoc.h structure as packed so that it is the right size and layout on arm.
Mark the vtoc.h structure as packed so that it is the right size and
layout on arm.

MFC after:	7 days

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