[MacPorts] #44644: p5.8-compress-snappy: missing parent.pm; clean up dependencies

[MacPorts]

#44644: p5.8-compress-snappy: missing parent.pm; clean up dependencies
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  Reporter:  mojca@…               |      Owner:  macports-tickets@…
      Type:  defect                |     Status:  new
  Priority:  Normal                |  Milestone:
 Component:  ports                 |    Version:
Resolution:                        |   Keywords:
      Port:  p5.8-compress-snappy  |
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Comment (by mojca@…):

 In the few latest commits I added the dependencies only for the relevant
 version(s). That at least makes it clear that the dependency might be
 removed if an older branch gets removed.

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Ticket URL: <https://trac.macports.org/ticket/44644#comment:5>
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