[GHC] #3353: Add CLDouble support

[GHC]

#3353: Add CLDouble support
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    Reporter:  igloo             |        Owner:              
        Type:  bug               |       Status:  new         
    Priority:  normal            |    Milestone:  _|_         
   Component:  Compiler          |      Version:  6.12.1      
    Keywords:                    |   Difficulty:  Unknown     
          Os:  Unknown/Multiple  |     Testcase:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Comment(by igloo):

 That's a patch for c2hs to build with a GHC which doesn't have a
 `CLDouble` type.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3353#comment:5>
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