[MacPorts] #55381: cmake: Use canonical URLs

[MacPorts]

#55381: cmake: Use canonical URLs
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 Reporter:  ryandesign   |      Owner:  michaelld
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:  haspatch     |       Port:  cmake
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Ticket URL: <https://trac.macports.org/ticket/55381>
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