[MacPorts] #15743: R port upgrade to 2.7.1

[MacPorts]

#15743: R port upgrade to 2.7.1
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  Reporter:  kjell.konis at epfl.ch  |       Owner:  macports-tickets at lists.macosforge.org
      Type:  enhancement          |      Status:  new                                  
  Priority:  Normal               |   Milestone:  Port Updates                         
 Component:  ports                |     Version:  1.6.0                                
Resolution:                       |    Keywords:                                       
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Comment (by kjell.konis at epfl.ch):

 I think I figured out a nice way to clean up post-destroot. I'll attach a
 new diff in a bit.

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Ticket URL: <http://trac.macports.org/ticket/15743#comment:3>
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