[MacPorts] #55788: Please update nauty

[MacPorts]

#55788: Please update nauty
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  Reporter:  szhorvat  |      Owner:  ryandesign
      Type:  update    |     Status:  accepted
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  nauty     |
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Comment (by szhorvat):

 I tried to send a pull request for this, you may be able to use bits from
 that. There is only one minor code change between r10 and r11 in
 `biplabg.c`

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Ticket URL: <https://trac.macports.org/ticket/55788#comment:2>
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