Fix broken `checkdpadd'.
Fix broken `checkdpadd'.

-lroken is an installable library, there's no need to give an
explicit path to it.  In any case, -L paths should be specified
in LDFLAGS if needed.

Approved by:	des

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