[MacPorts] #20193: jpeg update to 7

[MacPorts]

#20193: jpeg update to 7
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 Reporter:  nox@…             |       Owner:  waqar@…           
     Type:  update            |      Status:  new               
 Priority:  Normal            |   Milestone:                    
Component:  ports             |     Version:                    
 Keywords:                    |        Port:  jpeg              
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Comment(by jmr@…):

 This would be a nice use case for #17473. Either way, we probably can't
 put off the upgrade forever?

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Ticket URL: <http://trac.macports.org/ticket/20193#comment:10>
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