Add . to the include path so that we follow the 'machine' symlink we create during depend on amd64.
Add . to the include path so that we follow the 'machine' symlink we create
during depend on amd64.

Reported by:	rwatson

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