[MacPorts] #63117: tbb: fails to parse on arm64

[MacPorts]

#63117: tbb: fails to parse on arm64
---------------------------+--------------------
  Reporter:  ShadSterling  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:                |   Keywords:  arm64
      Port:  tbb           |
---------------------------+--------------------

Comment (by ShadSterling):

 I have `+universal` in my `/opt/local/etc/macports/variants.conf`.  I
 don't use `tbb`, this came up as a failure in `port clean all`

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Ticket URL: <https://trac.macports.org/ticket/63117#comment:3>
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