[MacPorts] #47159: intltool @0.50.2_4: update to 0.51.0

[MacPorts]

#47159: intltool @0.50.2_4: update to 0.51.0
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  Reporter:  mschamschula@…  |      Owner:  devans@…
      Type:  update          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  haspatch
      Port:  intltool        |
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Comment (by devans@…):

 Assumed maintainership openmaintainer, warning comments in r134063.

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Ticket URL: <https://trac.macports.org/ticket/47159#comment:8>
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