[MacPorts] #58164: update port "tzdiff"

[MacPorts]

#58164: update port "tzdiff"
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 Reporter:  belgianbeer  |      Owner:  (none)
     Type:  update       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  tzdiff
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 I update the tzdiff for some enhancement.
 "-HH" and "-N" options are added.
 Improvement with NetBSD/OpenBSD.

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Ticket URL: <https://trac.macports.org/ticket/58164>
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