[MacPorts] #56370: linkchecker: Update to 9.4

[MacPorts]

#56370: linkchecker: Update to 9.4
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  Reporter:  jdiamondNYDI  |      Owner:  kurthindenburg
      Type:  update        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  linkchecker   |
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Comment (by kurthindenburg):

 The gui have been moved to https://github.com/linkchecker/linkchecker-gui

 Still working on it....

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Ticket URL: <https://trac.macports.org/ticket/56370#comment:4>
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