[MacPorts] #45334: ledger @ 3.1.0 upgrade

[MacPorts]

#45334: ledger @ 3.1.0 upgrade
------------------------+----------------------
  Reporter:  mgrimes@…  |      Owner:  johnw@…
      Type:  update     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  haspatch
      Port:  ledger     |
------------------------+----------------------

Comment (by ryandesign@…):

 Please declare the graphviz dependency in `path:` style not `port:` style.
 See other ports that depend on graphviz.

-- 
Ticket URL: <https://trac.macports.org/ticket/45334#comment:10>
MacPorts <https://www.macports.org/>
Ports system for OS X