[MacPorts] #41842: Please update libPNG to current version, 1.6.7

[MacPorts]

#41842: Please update libPNG to current version, 1.6.7
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  Reporter:  william@…  |      Owner:  ryandesign@…
      Type:  update     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.2.1
Resolution:  fixed      |   Keywords:
      Port:  libpng     |
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Changes (by ryandesign@…):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 Updated libpng to 1.6.7 in r115018.

 Revbumped all the ports depending on it in r115019.

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Ticket URL: <https://trac.macports.org/ticket/41842#comment:3>
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