[MacPorts] #31517: phonon update to 4.5.0

[MacPorts]

#31517: phonon update to 4.5.0
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 Reporter:  snc@…             |       Owner:  macports-tickets@…                   
     Type:  update            |      Status:  new                                  
 Priority:  Normal            |   Milestone:                                       
Component:  ports             |     Version:                                       
 Keywords:                    |        Port:  phonon                               
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Comment(by michaelld@…):

 Let me see what I can do, since I did the qt7 backend originally. I think
 I even left the commands on how to do it embedded in the patches ...

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Ticket URL: <https://trac.macports.org/ticket/31517#comment:4>
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