[MacPorts] #38134: ImageMagick: update to latest version

[MacPorts]

#38134: ImageMagick: update to latest version
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  Reporter:  david@…      |      Owner:  ryandesign@…
      Type:  update       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.1.3
Resolution:               |   Keywords:  haspatch
      Port:  ImageMagick  |
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Comment (by ryandesign@…):

 I see it's not only the quantum depths that are now in the library name.
 It's also the HDRI option: http://www.imagemagick.org/discourse-
 server/viewtopic.php?f=2&t=22477 . That's not going to work either; we're
 going to have to remove the hdri variant and decide to either have it
 always on (probably) or always off. This now makes me unsure about all the
 other variants and I'll have to test them all and figure out how many more
 we'll have to remove.

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Ticket URL: <https://trac.macports.org/ticket/38134#comment:5>
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