[GHC] #815: Remove old versions of FFI syntax

[GHC]

#815: Remove old versions of FFI syntax
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    Reporter:  simonmar  |        Owner:             
        Type:  task      |       Status:  new        
    Priority:  normal    |    Milestone:  6.6        
   Component:  Compiler  |      Version:  6.4.1      
    Severity:  normal    |     Keywords:             
          Os:  Unknown   |   Difficulty:  Easy (1 hr)
Architecture:  Unknown   |  
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HEAD still supports old versions of the FFI syntax, these have been
 deprecated (and emitting a warning) for several releases now.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/815>
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