drops dependency on devel/proj, cf https://github.com/osmcode/libosmium/issues/277 add a patch to build with our zlib (needs gzclose_r/w, gzclose is enough), hint from sthen@. ok bentley@
drops dependency on devel/proj, cf https://github.com/osmcode/libosmium/issues/277 add a patch to build with our zlib (needs gzclose_r/w, gzclose is enough), hint from sthen@. ok bentley@