[MacPorts] #52172: fix for current Xcode 8 build of sbcl

[MacPorts]

#52172: fix for current Xcode 8 build of sbcl
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  Reporter:  howarth.at.macports@…  |      Owner:  macports-tickets@…
      Type:  defect                 |     Status:  new
  Priority:  Normal                 |  Milestone:
 Component:  ports                  |    Version:  2.3.4
Resolution:                         |   Keywords:
      Port:  sbcl                   |
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Comment (by howarth.at.macports@…):

 Of course I meant to say "assuming MacPorts only supports 10.5 and later
 at this point"

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Ticket URL: <https://trac.macports.org/ticket/52172#comment:1>
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