[GHC] #5254: usb library fails on Windows

[GHC]

#5254: usb library fails on Windows
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    Reporter:  basvandijk        |       Owner:  simonmar     
        Type:  bug               |      Status:  new          
    Priority:  high              |   Milestone:  7.6.1        
   Component:  Compiler (FFI)    |     Version:  7.0.3        
    Keywords:                    |          Os:  Windows      
Architecture:  Unknown/Multiple  |     Failure:  Runtime crash
  Difficulty:  Unknown           |    Testcase:               
   Blockedby:                    |    Blocking:               
     Related:                    |  
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Comment(by basvandijk):

 Thanks Simon!

 Maurício: I guess the best way to solve this in `bindings-DSL` is to fix
 the calling convention for `FunPtr`s to `ccall` (regardless of
 `BINDINGS_STDCALLCONV`).

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5254#comment:6>
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