[MacPorts] #62623: icdiff: Update to newer version

[MacPorts]

#62623: icdiff: Update to newer version
------------------------+----------------------
 Reporter:  ryandesign  |      Owner:  raimue
     Type:  update      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  icdiff
------------------------+----------------------
 icdiff could be updated:
 {{{
 $ port livecheck icdiff
 icdiff seems to have been updated (port version: 1.9.1, new version:
 2.0.0)
 }}}
 If you don't want to update all the way to 2.0.0, you could update to
 1.9.5.

 See also https://github.com/jeffkaufman/icdiff/issues/186

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Ticket URL: <https://trac.macports.org/ticket/62623>
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