[MacPorts] #15687: Updated Git-Core Portfile to 1.5.6

[MacPorts]

#15687: Updated Git-Core Portfile to 1.5.6
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 Reporter:  weyert at gmail.com  |       Owner:  macports-tickets at lists.macosforge.org
     Type:  defect            |      Status:  new                                  
 Priority:  Normal            |   Milestone:  Port Updates                         
Component:  ports             |     Version:  1.6.0                                
 Keywords:  git-core          |  
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 Hello! I have updated the portfile for git-core so it's updated to the
 last version available. I have attached my Portfile.

 git --version
 git version 1.5.6

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Ticket URL: <http://trac.macports.org/ticket/15687>
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