[MacPorts] #40398: Add emacs_app variant to magit

[MacPorts]

#40398: Add emacs_app variant to magit
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  Reporter:  cubranic@…   |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  magit        |
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Comment (by cooljeanius):

 the magit port has been deprecated; time to close this?

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Ticket URL: <https://trac.macports.org/ticket/40398#comment:4>
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