[MacPorts] #54814: byacc @20170719: upgrade fails due to missing source

[MacPorts]

#54814: byacc @20170719: upgrade fails due to missing source
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  Reporter:  mathomp4  |      Owner:  tobypeterson
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.4.1
Resolution:            |   Keywords:
      Port:  byacc     |
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Changes (by Schamschula):

 * status:  new => assigned
 * owner:   => tobypeterson


Comment:

 Please add the maintainer {{{port info --maintainer byacc}}} to the CC
 field.

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Ticket URL: <https://trac.macports.org/ticket/54814#comment:1>
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