[MacPorts] #55176: swi-prolog @7.4.2: update to 7.6.0

[MacPorts]

#55176: swi-prolog @7.4.2: update to 7.6.0
-------------------------+---------------------------------
  Reporter:  pmoura      |      Owner:
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  haspatch maintainer
      Port:  swi-prolog  |
-------------------------+---------------------------------
Changes (by pmoura):

 * Attachment "Portfile-swi-prolog.diff" added.


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Ticket URL: <https://trac.macports.org/ticket/55176>
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