[MacPorts] #65300: ddrescue: @1.26.0: compilation fails for 10.7 through 10.11: error: no member named 'exit' in namespace 'std'

[MacPorts]

#65300: ddrescue: @1.26.0: compilation fails for 10.7 through 10.11: error: no
member named 'exit' in namespace 'std'
-----------------------+----------------------
  Reporter:  mascguy   |      Owner:  raimue
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.2
Resolution:            |   Keywords:
      Port:  ddrescue  |
-----------------------+----------------------

Comment (by jmroot):

 This is a bug in the code, it uses std::exit without including
 `<cstdlib>`.

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Ticket URL: <https://trac.macports.org/ticket/65300#comment:4>
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