Properly calculate the offset in mapping the memory of pccards.  This allows my 3com cards to work again.  It appears that this code was once there, but I removed it when I added the alignment issues.
Properly calculate the offset in mapping the memory of pccards.  This
allows my 3com cards to work again.  It appears that this code was
once there, but I removed it when I added the alignment issues.

MFC After: 5 days
PR: 70639 (and likely others)

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