Explicitly pass the full path to the input file to sed.  This unbreaks the WITHOUT_BMAKE build.
Explicitly pass the full path to the input file to sed.  This unbreaks
the WITHOUT_BMAKE build.

Approved by:	re (gjb)

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