[MacPorts] #52820: nettle @3.1.1: update to 3.3

[MacPorts]

#52820: nettle @3.1.1: update to 3.3
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  Reporter:  l2dy    |      Owner:  ryandesign
      Type:  update  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  nettle  |
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Comment (by dgilman):

 I've attached a patch that does the 3.3 bump, fixes up tests and enables
 the "fat" option for the library.  This creates a library that can choose
 the most optimized crypto routine for your system at runtime.  It has
 nothing to do with Mach-O fat libraries.

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Ticket URL: <https://trac.macports.org/ticket/52820#comment:4>
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