[MacPorts] #56161: Improve handling of dependencies with incorrect case

[MacPorts]

#56161: Improve handling of dependencies with incorrect case
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  Reporter:  ryandesign   |      Owner:
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.4.99
Resolution:               |   Keywords:
      Port:               |
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Comment (by jmroot):

 Be careful what you wish for, I guess.

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Ticket URL: <https://trac.macports.org/ticket/56161#comment:1>
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