Some long-waiting fixes for the COFF module.  They silence compiler warnings and are cosmetic only.  Poul once requested them, but neither Sean nor Søren commented on them, so i commit it now before it's getting lost some day.
Some long-waiting fixes for the COFF module.  They silence compiler
warnings and are cosmetic only.  Poul once requested them, but neither
Sean nor Søren commented on them, so i commit it now before it's
getting lost some day.

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