[MacPorts] #28586: Upgrade Qt to 4.7.2

[MacPorts]

#28586: Upgrade Qt to 4.7.2
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 Reporter:  michaelld@…             |       Owner:  michaelld@…           
     Type:  update                  |      Status:  new                   
 Priority:  Normal                  |   Milestone:                        
Component:  ports                   |     Version:  1.9.2                 
 Keywords:  Qt                      |        Port:  qt4-mac               
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Changes (by jmr@…):

  * type:  enhancement => update


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Ticket URL: <https://trac.macports.org/ticket/28586#comment:1>
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