[MacPorts] #42522: twain-sane @3.0.0: error: call to 'abs' is ambiguous

[MacPorts]

#42522: twain-sane @3.0.0: error: call to 'abs' is ambiguous
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  Reporter:  fleason@…   |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.2.1
Resolution:              |   Keywords:  mavericks
      Port:  twain-sane  |
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Comment (by piet@…):

 I have attached a patch file that makes it work on Yosemite. Could someone
 please apply this?

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Ticket URL: <https://trac.macports.org/ticket/42522#comment:3>
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