[MacPorts] #53315: emacs @25.1: imagemagick variant doesn't work

[MacPorts]

#53315: emacs @25.1: imagemagick variant doesn't work
------------------------+--------------------------------
 Reporter:  ryandesign  |      Owner:  drkp
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  emacs, emacs-devel
------------------------+--------------------------------
 Despite passing `--with-imagemagick`, the main.log says:

 {{{
 :info:configure   Does Emacs use imagemagick?
 no
 }}}

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Ticket URL: <https://trac.macports.org/ticket/53315>
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