[MacPorts] #70357: gnuplot: Update to v6

[MacPorts]

#70357: gnuplot: Update to v6
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  Reporter:  kickingvegas  |      Owner:  mojca
      Type:  update        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:  fixed         |   Keywords:
      Port:  gnuplot       |
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Comment (by kickingvegas):

 For reference have opened up this ticket.
 https://trac.macports.org/ticket/70813

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Ticket URL: <https://trac.macports.org/ticket/70357#comment:12>
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