[MacPorts] #42635: Update libyaml to 0.1.5

[MacPorts]

#42635: Update libyaml to 0.1.5
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  Reporter:  sean@…     |      Owner:  macports-tickets@…
      Type:  update     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.2.1
Resolution:             |   Keywords:  haspatch
      Port:  libyal=ml  |
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Comment (by sean@…):

 Oops. Sorry, messed up the port name in the ticket's Port field... I can't
 seem to change it though.

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Ticket URL: <https://trac.macports.org/ticket/42635#comment:1>
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