[MacPorts] #37810: Update zeroc-ice33 to build with clang

[MacPorts]

#37810: Update zeroc-ice33 to build with clang
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  Reporter:  jeremyhu@…   |      Owner:  blair@…
      Type:  defect       |     Status:  closed
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.1.2
Resolution:  wontfix      |   Keywords:
      Port:  zeroc-ice33  |
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Comment (by jeremyhu@…):

 I don't use zeroc-ice33 myself.  I'm just trying to make sure that we fix
 our ports to build with clang.  If using a different port is a valid
 option, that's fine.  We can eventually remove zeroc-ice33

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Ticket URL: <https://trac.macports.org/ticket/37810#comment:2>
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