[MacPorts] #34057: mpd: update to 0.16.8 (was: update mpd to 0.16.8)

[MacPorts]

#34057: mpd: update to 0.16.8
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 Reporter:  macports@…                 |       Owner:  milosh@…           
     Type:  update                     |      Status:  new                
 Priority:  Normal                     |   Milestone:                     
Component:  ports                      |     Version:  2.0.4              
 Keywords:                             |        Port:  mpd                
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Ticket URL: <https://trac.macports.org/ticket/34057#comment:2>
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