New port: converters/osm2pgrouting: Import OSM data into pgRouting database

[yuri]

Summary

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221810

[yuri]

.

[yuri]

.

[yuri]

Update to 6.0.0 of databases/postgresql-libpqxx fixed the issue that caused patches with #if in the header files: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225109