[MacPorts] #26663: gnuplot: please update to version 4.4.2

[MacPorts]

#26663: gnuplot: please update to version 4.4.2
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 Reporter:  jpo@…             |       Owner:  macports-tickets@…                   
     Type:  update            |      Status:  new                                  
 Priority:  Normal            |   Milestone:                                       
Component:  ports             |     Version:  1.9.1                                
 Keywords:                    |        Port:  gnuplot                              
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Comment(by jpo@…):

 The attached patch touches:

  * the version
  * the files (tarball and pdf) digests
  * the pdf file rename (upstream stopped using the gnuplot version in the
 filename)

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Ticket URL: <https://trac.macports.org/ticket/26663#comment:1>
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