[MacPorts] #52408: Update claws-mail to use webkit2-gtk

[MacPorts]

#52408: Update claws-mail to use webkit2-gtk
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  Reporter:  jeremyhu@…  |      Owner:  perry@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:
      Port:  claws-mail  |
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Comment (by perry@…):

 I have no idea. The Portfile hack in question wasn't mine to begin with.

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Ticket URL: <https://trac.macports.org/ticket/52408#comment:4>
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