[GHC] #10480: Ship Cabal with Windows filepath fix

[GHC]

#10480: Ship Cabal with Windows filepath fix
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        Reporter:  ezyang            |                   Owner:  ezyang
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.10.2
       Component:  libraries         |                 Version:  7.10.1
  (other)                            |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by ezyang):

 Fix is in the 1.22 Cabal branch, all we need is for Cabal to cut a
 release.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10480#comment:4>
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