[MacPorts] #39550: gd2: update to 2.1.0

[MacPorts]

#39550: gd2: update to 2.1.0
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  Reporter:  mojca@…  |      Owner:  ryandesign@…
      Type:  update   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  gd2      |
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Comment (by ryandesign@…):

 I was worried I was making you wait on my changes; glad you took care of
 it already!

 I didn't realize gd2 now needed pkgconfig to find its dependencies;
 without that, it stupidly builds successfully, but without support for any
 image formats other than jpeg (#40123). pkgconfig dependency added in
 r109420 but now I need to tell the buildbot to try again to build the
 ports I revbumped already that failed, and figure out if any of the ports
 silently ignored the missing gd2 features and need yet another revbump.

 Revbumped magicspp in r109421.

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Ticket URL: <https://trac.macports.org/ticket/39550#comment:17>
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