[MacPorts] #52031: fix test failure in grep 2.25

[MacPorts]

#52031: fix test failure in grep 2.25
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  Reporter:  howarth.at.macports@…  |      Owner:  mschamschula@…
      Type:  defect                 |     Status:  new
  Priority:  Normal                 |  Milestone:
 Component:  ports                  |    Version:  2.3.4
Resolution:                         |   Keywords:
      Port:  grep                   |
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Comment (by mf2k@…):

 @mschamschula: Don't you have a Macports handle?

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Ticket URL: <https://trac.macports.org/ticket/52031#comment:2>
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