Add compat6 wrapper code for mmap/lseek/pread/pwrite/truncate/ftruncate.
Add compat6 wrapper code for mmap/lseek/pread/pwrite/truncate/ftruncate.

Approved by:  re (kensmith)

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