[MacPorts] #54019: ghostscript, ImageMagick broke after upgrade

[MacPorts]

#54019: ghostscript, ImageMagick broke after upgrade
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  Reporter:  papachoco    |      Owner:
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.4.1
Resolution:               |   Keywords:  upgrade failure
      Port:  ghostscript  |
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Comment (by papachoco):

 --->  Scanning binaries for linking errors
 Could not open libgs.9.21.dylib: Error opening or reading file (referenced
 from /opt/local/bin/gsc)
 libgs.9.21.dylib seems to be referenced using a relative path. This may be
 a problem with its canonical library name and require the use of
 install_name_tool(1) to fix.
 --->  Found 4 broken files, matching files to ports
 --->  Found 2 broken ports, determining rebuild order

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Ticket URL: <https://trac.macports.org/ticket/54019#comment:2>
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