This fixes the brokeness introduced in the previous SWIG bandaid.
A lawyer might want to check if the license is also less restrictive now ;)
Sponsored by: simon & erwin of tb3.droso.net
- Add files/Makefile
- Rather than build from port's own download of graphviz, depend on the
graphviz port and use its shared objects. (Fixes fetch problem)
PR: ports/78069
Submitted by: Sam Lawrance <boris@brooknet.com.au>
