[MacPorts] #52473: john-jumbo: update to 1.8.0+ to fix build failure on macOS 10.12 + XCode 8.0.0 (was: john-jumbo: build fails on macOS 10.12 + XCode 8.0.0)

[MacPorts]

#52473: john-jumbo: update to 1.8.0+ to fix build failure on macOS 10.12 + XCode
8.0.0
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  Reporter:  newsoft@…   |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  sierra
      Port:  john-jumbo  |
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Ticket URL: <https://trac.macports.org/ticket/52473#comment:6>
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