[MacPorts] #19141: Update libmp4v2

[MacPorts]

#19141: Update libmp4v2
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 Reporter:  anddam@…             |       Owner:  devans@…           
     Type:  enhancement          |      Status:  assigned           
 Priority:  Normal               |   Milestone:                     
Component:  ports                |     Version:  1.7.0              
 Keywords:                       |        Port:  libmp4v2           
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Comment(by and.damore@…):

 iirc some functions name in 2.0 changed so this could break compatibility,
 or so I was told from faac's maintainer.

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Ticket URL: <http://trac.macports.org/ticket/19141#comment:5>
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