Replace duplicated "old" linker set definitions with an include of <sys/linker_set.h>.  Note, this isn't used on the i386.
Replace duplicated "old" linker set definitions with an include of
<sys/linker_set.h>.  Note, this isn't used on the i386.

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