Use .CURDIR when referring source code.  This fixes build when 'make obj' was done first.  I found this when fixing a problem reported by tinderbox, but forgot to send the patchset to re@ altogether.
Use .CURDIR when referring source code.  This fixes build
when 'make obj' was done first.  I found this when fixing
a problem reported by tinderbox, but forgot to send the
patchset to re@ altogether.

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