[MacPorts] #33238: openbabel: update to 2.3.1

[MacPorts]

#33238: openbabel: update  to 2.3.1
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  Reporter:  zach.charlop.powers@…          |       Owner:  mlund@…      
      Type:  update                         |      Status:  closed       
  Priority:  Normal                         |   Milestone:               
 Component:  ports                          |     Version:               
Resolution:  fixed                          |    Keywords:  haspatch     
      Port:  openbabel                      |  
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Changes (by ryandesign@…):

 * cc: ryandesign@… (added)
  * status:  new => closed
  * resolution:  => fixed
  * keywords:  => haspatch


Comment:

 r93012. I also added a cairo dependency and made a few other changes.

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Ticket URL: <https://trac.macports.org/ticket/33238#comment:2>
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