[MacPorts] #53349: update hunspell to v1.6.0

[MacPorts]

#53349: update hunspell to v1.6.0
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 Reporter:  pmetzger  |      Owner:
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:  haspatch  |       Port:  hunspell
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 update hunspell to v1.6.0

 The patchfile attached comments out the extant patchfile rather than
 removing the line, mostly to document that it needs to be removed. I'm not
 sure if that patch is still somehow needed, but it doesn't seem to be and
 everything builds fine without it.

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Ticket URL: <https://trac.macports.org/ticket/53349>
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