[MacPorts] #59084: nghttp2 does not build since updating to Xcode 11

[MacPorts]

#59084: nghttp2 does not build since updating to Xcode 11
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  Reporter:  ksze     |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.6.0
Resolution:           |   Keywords:  build, mojave, xcode
      Port:  nghttp2  |
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Changes (by ksze):

 * Attachment "nghttp2_build.log" added.

 build log

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Ticket URL: <https://trac.macports.org/ticket/59084>
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