[MacPorts] #57538: Change macports-legacy-support license to BSD

[MacPorts]

#57538: Change macports-legacy-support license to BSD
-----------------------------+--------------------------
  Reporter:  ryandesign      |      Owner:  cjones051073
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:
      Port:  legacy-support  |
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Comment (by ryandesign):

 The [https://github.com/macports/macports-legacy-
 support/blob/master/LICENSE LICENSE file] in the macports-legacy-support
 repository says it's under the MIT license. The
 [https://github.com/macports/macports-ports/blob/master/devel/legacy-
 support/Portfile#L12 Portfile] says it's under the MIT license. If that's
 not accurate, it needs to be corrected. And my request that everything
 written for the MacPorts project use, as much as possible, the same
 license, stands.

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Ticket URL: <https://trac.macports.org/ticket/57538#comment:2>
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