[MacPorts] #39808: Updated Boost to 1.54.0

[MacPorts]

#39808: Updated Boost to 1.54.0
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  Reporter:  brad.clemetson@…  |      Owner:  macports-tickets@…
      Type:  update            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.1.3
Resolution:                    |   Keywords:  haspatch
      Port:  boost             |
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Comment (by brad.clemetson@…):

 (Attached as Portfile.patch)

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Ticket URL: <https://trac.macports.org/ticket/39808#comment:2>
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