[MacPorts] #46437: gshhg-gmt @2.3.3_0: update to 2.3.4

[MacPorts]

#46437: gshhg-gmt @2.3.3_0: update to 2.3.4
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 Reporter:  florian@…            |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:
 Keywords:  haspatch maintainer  |       Port:  gshhg-gmt
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 Please commit the portfile patch. Thanks.

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Ticket URL: <https://trac.macports.org/ticket/46437>
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