[MacPorts] #51972: port echo depof:nonexistent returns zero

[MacPorts]

#51972: port echo depof:nonexistent returns zero
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  Reporter:  mojca@…  |      Owner:  macports-tickets@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  base     |    Version:  2.3.4
Resolution:           |   Keywords:
      Port:           |
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Comment (by ryandesign@…):

 Related to #45156.

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Ticket URL: <https://trac.macports.org/ticket/51972#comment:1>
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