[MacPorts] #19978: qrencode: update to v3.1.0

[MacPorts]

#19978: qrencode: update to v3.1.0
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 Reporter:  joseph@…                  |       Owner:  brett@…           
     Type:  update                    |      Status:  new               
 Priority:  Normal                    |   Milestone:                    
Component:  ports                     |     Version:  1.7.1             
 Keywords:                            |        Port:  qrencode          
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Changes (by macsforever2000@…):

  * keywords:  update =>
  * owner:  macports-tickets@… => brett@…


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Ticket URL: <http://trac.macports.org/ticket/19978#comment:1>
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