[MacPorts] #56263: swi-prolog-devel @7.7.10: update to 7.7.12

[MacPorts]

#56263: swi-prolog-devel @7.7.10: update to 7.7.12
---------------------------------+------------------------------
 Reporter:  pmoura               |      Owner:  (none)
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:
 Keywords:  haspatch maintainer  |       Port:  swi-prolog-devel
---------------------------------+------------------------------
 Update the swi-prolog-devel portfile for the latest release.

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Ticket URL: <https://trac.macports.org/ticket/56263>
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