[MacPorts] #65050: Update enchant to modern version

[MacPorts]

#65050: Update enchant to modern version
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 Reporter:  markabney  |      Owner:  (none)
     Type:  update     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:
 Keywords:             |       Port:  enchant
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 The current version of the enchant port, 1.6.0, is ancient. The current
 version is 2.3.3. Note that the current location of the code is
 https://github.com/AbiWord/enchant instead of the URL listed in the
 portfile (http://www.abisource.com/enchant/)

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Ticket URL: <https://trac.macports.org/ticket/65050>
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