[MacPorts] #39738: Update gnumeric @0.10.17 to 0.12.4

[MacPorts]

#39738: Update gnumeric @0.10.17 to 0.12.4
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  Reporter:  c.herbig@…  |      Owner:  macports-tickets@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  haspatch
      Port:  gnumeric    |
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Comment (by c.herbig@…):

 Replying to [comment:10 cal@…]:
 > There's nothing wrong with your patches, but apparently nobody has had
 any time to review and apply them yet. Please provide whitespace changes
 as separate diffs (but not necessarily separate tickets).
 >
 > I currently have no time to take care of this one, but if nobody takes
 this ticket, consider dropping a mail to the macports-dev list.
 Would it help at all if I offered to take maintainership (along with open
 maintainer)?  I'm not really a programmer, but I am interested in keeping
 this and goffice up to date with the latest point releases, especially
 when updates deal with file compatibility.

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Ticket URL: <https://trac.macports.org/ticket/39738#comment:11>
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