[MacPorts] #38575: gdk-pixbuf2: update to 2.28.0

[MacPorts]

#38575: gdk-pixbuf2: update to 2.28.0
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  Reporter:  cal@…        |      Owner:  devans@…
      Type:  update       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.1.3
Resolution:               |   Keywords:  haspatch
      Port:  gdk-pixbuf2  |
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Changes (by cal@…):

 * keywords:   => haspatch


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Ticket URL: <https://trac.macports.org/ticket/38575#comment:1>
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