[MacPorts] #57732: legacy-support: fix atcalls properly for Tiger

[MacPorts]

#57732: legacy-support: fix atcalls properly for Tiger
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  Reporter:  kencu           |      Owner:  kencu
      Type:  enhancement     |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  tiger
      Port:  legacy-support  |
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Changes (by kencu):

 * type:  defect => enhancement


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Ticket URL: <https://trac.macports.org/ticket/57732#comment:3>
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