[MacPorts] #44182: gwyddion: Update to version 2.37

[MacPorts]

#44182: gwyddion: Update to version 2.37
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 Reporter:  feranick@…  |      Owner:  macports-tickets@…
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.1
 Keywords:              |       Port:  gwyddion
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 Currently gwyddion is in version 2.36 in macports Now version 2.37 is
 available upstream and it would be great to have it on macports.

 Changelog: http://gwyddion.net/news.php#v2.37

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Ticket URL: <https://trac.macports.org/ticket/44182>
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