[MacPorts] #44523: Upgrade arb 6.0 -> 6.0.1

[MacPorts]

#44523: Upgrade arb 6.0 -> 6.0.1
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  Reporter:  matt.cottrell@…  |      Owner:  macports-tickets@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.3.1
Resolution:                   |   Keywords:  maintainer haspatch
      Port:  arb              |
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Comment (by matt.cottrell@…):

 Thanks for pitching in with this attachment.  I never would have solved
 that on my own.

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Ticket URL: <https://trac.macports.org/ticket/44523#comment:4>
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