[MacPorts] #54249: poppler @0.52.0: update to 0.55.0

[MacPorts]

#54249: poppler @0.52.0: update to 0.55.0
----------------------+---------------------
  Reporter:  l2dy     |      Owner:  dbevans
      Type:  update   |     Status:  closed
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:  fixed    |   Keywords:
      Port:  poppler  |
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Comment (by ballapete):

 Replying to [comment:5 mojca]:

 The additional statement somewhere at the beginning og poppler's Portfile
 (`port file poppler`) is:

 {{{
 PortGroup      cxx11  1.1
 }}}

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Ticket URL: <https://trac.macports.org/ticket/54249#comment:7>
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