[MacPorts] #34785: update erlang port to R15B01

[MacPorts]

#34785: update erlang port to R15B01
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 Reporter:  wmacgyver@…          |       Owner:  macports-tickets@…                   
     Type:  update               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  2.1.1                                
 Keywords:                       |        Port:                                       
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 Erlang R15B01 was released on Apr 3rd 2012. It would be great to upgrade
 the port to the latest version

 http://www.erlang.org/news/30

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Ticket URL: <https://trac.macports.org/ticket/34785>
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