[MacPorts] #11971: BUG: "port -u -f upgrade installed" created many nested directories

[MacPorts]

#11971: BUG: "port -u -f upgrade installed" created many nested directories
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  Reporter:  freebsd at generalresources.com  |       Owner:  macports-tickets at lists.macosforge.org
      Type:  defect                        |      Status:  new                                  
  Priority:  High                          |   Milestone:  MacPorts 1.6.1                       
 Component:  base                          |     Version:  1.4                                  
Resolution:                                |    Keywords:  haspatch                             
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Comment (by raimue at macports.org):

 This patch looks good.

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Ticket URL: <http://trac.macports.org/ticket/11971#comment:7>
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