[MacPorts] #64695: freeciv @2.6.4_0: upgrade to 3.0.0

[MacPorts]

#64695: freeciv @2.6.4_0: upgrade to 3.0.0
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 Reporter:  DDeanBrown  |      Owner:  (none)
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:
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 Freeciv 3.0.0 has been released, see

 <http://www.freeciv.org/download.html>

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Ticket URL: <https://trac.macports.org/ticket/64695>
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