[MacPorts] #52984: Upgrade camlp5 to 6.17

[MacPorts]

#52984: Upgrade camlp5 to 6.17
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 Reporter:  pmetzger  |      Owner:
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.3.5
 Keywords:  haspatch  |       Port:  camlp5
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 Please upgrade camlp5 to 6.17. I've attached a patch.

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Ticket URL: <https://trac.macports.org/ticket/52984>
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