[MacPorts] #36917: wcslib: update to version 4.16

[MacPorts]

#36917: wcslib: update to version 4.16
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 Reporter:  swinbank@…           |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.1.2
 Keywords:  haspatch maintainer  |       Port:  wcslib
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 As per subject, this is an update to version 4.15 (released 2012-11-07).
 In addition, it disables the universal variant, as per #36703.

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Ticket URL: <https://trac.macports.org/ticket/36917>
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