[commit: ghc] ghc-7.10: We need to import 'cast' on Windows (d6f5b4c)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : ghc-7.10
Link       : http://ghc.haskell.org/trac/ghc/changeset/d6f5b4cf7cf1e3a8946fe6a77ce68ec96baad8fd/ghc

>---------------------------------------------------------------

commit d6f5b4cf7cf1e3a8946fe6a77ce68ec96baad8fd
Author: Edward Z. Yang <ezyang at cs.stanford.edu>
Date:   Sat Mar 14 09:16:44 2015 +0100

    We need to import 'cast' on Windows
    
    This fixes breakage introduced via
    47b5b5c2b2c92ba091313c36489588edadceaa9d
    
    Signed-off-by: Edward Z. Yang <ezyang at cs.stanford.edu>
    
    (cherry picked from commit 11314b936340a0980c27a01400b7dfec2ffdfa42)


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d6f5b4cf7cf1e3a8946fe6a77ce68ec96baad8fd
 libraries/base/GHC/Conc/Sync.hs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/base/GHC/Conc/Sync.hs b/libraries/base/GHC/Conc/Sync.hs
index eb07137..0c0f26b 100644
--- a/libraries/base/GHC/Conc/Sync.hs
+++ b/libraries/base/GHC/Conc/Sync.hs
@@ -104,6 +104,8 @@ import Data.Typeable
 
 #ifndef mingw32_HOST_OS
 import Data.Dynamic
+#else
+import Data.Typeable
 #endif
 import Data.Maybe