[MacPorts] #68036: lib2geom: build failure for 10.13: cannot use parentheses when declaring variable with deduced class template specialization type

[MacPorts]

#68036: lib2geom: build failure for 10.13: cannot use parentheses when declaring
variable with deduced class template specialization type
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  Reporter:  dyne2meter  |      Owner:  mascguy
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.8.1
Resolution:  fixed       |   Keywords:
      Port:  lib2geom    |
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Comment (by dyne2meter):

 I'm downgrading to 9.4.1; if I keep the 10.3 in a utility folder
 elsewhere, will that satisfy the system?

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Ticket URL: <https://trac.macports.org/ticket/68036#comment:7>
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