[MacPorts] #69691: vips: Include dzsave support

[MacPorts]

#69691: vips: Include dzsave support
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  Reporter:  joostdekeijzer  |      Owner:  jcupitt
      Type:  enhancement     |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:
      Port:  vips            |
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Comment (by jcupitt):

 LGTM

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Ticket URL: <https://trac.macports.org/ticket/69691#comment:2>
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