[MacPorts] #67934: edid-decode @20230804: error: use of undeclared identifier 'nullptr'

[MacPorts]

#67934: edid-decode @20230804: error: use of undeclared identifier 'nullptr'
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  Reporter:  ryandesign   |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.8.1
Resolution:               |   Keywords:
      Port:  edid-decode  |
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Comment (by wwalexander):

 I've updated the Portfile with the suggested lines. What's the best way if
 any to test the behavior on older systems? Thank you for the guidance!

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Ticket URL: <https://trac.macports.org/ticket/67934#comment:1>
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