[MacPorts] #52905: gr-specest: default_variants causes error.

[MacPorts]

#52905: gr-specest: default_variants causes error.
-------------------------+-----------------------
  Reporter:  mf2k        |      Owner:  michaelld
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  gr-specest  |
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Comment (by michaelld):

 In [changeset:"00c84992d43229b486aca95dbdb2b9034cc95724/macports-ports"
 00c84992/macports-ports]:
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="00c84992d43229b486aca95dbdb2b9034cc95724"
 gr-specest: update to 748aa13b (20151205); fix default variant selection,
 per ticket https://trac.macports.org/ticket/52905 .
 }}}

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Ticket URL: <https://trac.macports.org/ticket/52905#comment:3>
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