[MacPorts] #51687: ldas-tools: fix build on 10.11+

[MacPorts]

#51687: ldas-tools: fix build on 10.11+
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  Reporter:  ram@…       |      Owner:  ed.maros@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  haspatch
      Port:  ldas-tools  |
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Comment (by ed.maros@…):

 Replying to [comment:1 ram@…]:
 > I didn't bump the revision as the contents of the port are unchanged,
 this change will simply allow it to build on systems where it didn't build
 before.

 This will work in the interim.

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Ticket URL: <https://trac.macports.org/ticket/51687#comment:2>
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