[MacPorts] #31354: Update miniupnpc from 1.5 to 1.6

[MacPorts]

#31354: Update miniupnpc from 1.5 to 1.6
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 Reporter:  me@…                |       Owner:  macports-tickets@…                   
     Type:  update              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  2.0.3                                
 Keywords:                      |        Port:  miniupnpc                            
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 Version 1.6 introduces a new interface. Newer software that use this
 interface fails to compile on version 1.5.

 See the attached patch file.

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Ticket URL: <https://trac.macports.org/ticket/31354>
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