[MacPorts] #45527: gmake: Add 'guile' variant

[MacPorts]

#45527: gmake: Add 'guile' variant
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  Reporter:  nicholas.clark@…  |      Owner:  stuartwesterman@…
      Type:  enhancement       |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.3.2
Resolution:                    |   Keywords:  haspatch
      Port:  gmake             |
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Comment (by stuartwesterman@…):

 This works for me, why hasn't this been patched yet? I'm attaching the
 diff. Please update and close.

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Ticket URL: <https://trac.macports.org/ticket/45527#comment:8>
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