[MacPorts] #19974: update tre to 0.7.6

[MacPorts]

#19974: update tre to 0.7.6
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 Reporter:  andrew@…              |       Owner:  macports-tickets@…                   
     Type:  update                |      Status:  new                                  
 Priority:  Normal                |   Milestone:                                       
Component:  ports                 |     Version:  1.7.1                                
 Keywords:                        |        Port:  tre                                  
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 Trivial update

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Ticket URL: <http://trac.macports.org/ticket/19974>
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