[MacPorts] #42238: LibreCAD: add openmaintainer; use qmake portgroup

[MacPorts]

#42238: LibreCAD: add openmaintainer; use qmake portgroup
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  Reporter:  librecad@…   |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch maintainer
      Port:  LibreCAD     |
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Description changed by ryandesign@…:

Old description:

> Attached a new Portfile for LibreCAD with the following changes:
>
> 1) Added open maintainer
> 2) Changed from port group qt4 to qmake
>
> Ticket URL : ticket:42235

New description:

 Attached a new Portfile for LibreCAD with the following changes:

  1. Added open maintainer
  2. Changed from port group qt4 to qmake

 Ticket URL : ticket:42235

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Ticket URL: <https://trac.macports.org/ticket/42238#comment:3>
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