[MacPorts] #53891: opencore-amr @0.1.3 fix livecheck

[MacPorts]

#53891: opencore-amr @0.1.3 fix livecheck
---------------------------+---------------------------------
  Reporter:  janstary      |      Owner:
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.4.99
Resolution:                |   Keywords:  haspatch maintainer
      Port:  opencore-amr  |
---------------------------+---------------------------------
Changes (by janstary):

 * Attachment "opencore.diff" added.

 livecheck: just look for a newer tarball

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Ticket URL: <https://trac.macports.org/ticket/53891>
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