[MacPorts] #57535: opensc @0.19.0_1 build fails with Xcode 10

[MacPorts]

#57535: opensc @0.19.0_1 build fails with Xcode 10
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  Reporter:  tgyurci  |      Owner:  lbschenkel
      Type:  defect   |     Status:  closed
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:  fixed    |   Keywords:
      Port:  opensc   |
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Comment (by lbschenkel):

 Fixed. Sorry for the delay, but I really needed to fix the other issue
 because it made it impossible for me to build the port and I didn't want
 to do it "in the blind".

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Ticket URL: <https://trac.macports.org/ticket/57535#comment:4>
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