[MacPorts] #16654: Update hs-cabal to 0.5.2

[MacPorts]

#16654: Update hs-cabal to 0.5.2
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 Reporter:  eridius at macports.org  |       Owner:  gwright at macports.org
     Type:  defect                |      Status:  new                 
 Priority:  Normal                |   Milestone:  Port Updates        
Component:  ports                 |     Version:  1.6.0               
 Keywords:                        |        Port:                      
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 The attached patch bumps hs-cabal to 0.5.2

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Ticket URL: <http://trac.macports.org/ticket/16654>
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