[MacPorts] #58138: go @1.12 fails to build on mavericks

[MacPorts]

#58138: go @1.12 fails to build on mavericks
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  Reporter:  tehcog  |      Owner:  ci42
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.5.4
Resolution:          |   Keywords:
      Port:  go      |
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Comment (by tehcog):

 bump?

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Ticket URL: <https://trac.macports.org/ticket/58138#comment:4>
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