[MacPorts] #66965: i2pd: fix building shared libs

[MacPorts]

#66965: i2pd: fix building shared libs
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  Reporter:  herbygillot  |      Owner:  herbygillot
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  i2pd         |
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Comment (by catap):

 See upstream issue: https://github.com/PurpleI2P/i2pd/issues/1860

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Ticket URL: <https://trac.macports.org/ticket/66965#comment:3>
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