[MacPorts] #28794: gnuplot: Add cairo variant

[MacPorts]

#28794: gnuplot: Add cairo variant
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  Reporter:  kthenriksson@…          |       Owner:  macports-tickets@…                   
      Type:  enhancement             |      Status:  closed                               
  Priority:  Normal                  |   Milestone:                                       
 Component:  ports                   |     Version:                                       
Resolution:  duplicate               |    Keywords:                                       
      Port:  gnuplot                 |  
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Changes (by dports@…):

  * status:  new => closed
 * cc: dports@… (added)
  * resolution:  => duplicate


Comment:

 This was fixed in #27893 / r86746.

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Ticket URL: <https://trac.macports.org/ticket/28794#comment:3>
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