[MacPorts] #52182: Add multiarch variant to gdb

[MacPorts]

#52182: Add multiarch variant to gdb
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  Reporter:  fw@…         |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.3.4
Resolution:               |   Keywords:  haspatch
      Port:  gdb          |
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Comment (by fw@…):

 Oops - forgot the variant description.  Fixed.

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Ticket URL: <https://trac.macports.org/ticket/52182#comment:1>
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