[commit: base] master: Fix warning. (a0395aa)

[Paolo Capriotti]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/base

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/a0395aacff4d2e39261d5228be589d30c7f32f59

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

commit a0395aacff4d2e39261d5228be589d30c7f32f59
Author: Paolo Capriotti <p.capriotti at gmail.com>
Date:   Fri Jun 8 15:19:46 2012 +0100

    Fix warning.

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

 System/IO.hs |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/System/IO.hs b/System/IO.hs
index 57db1b0..31aa0e8 100644
--- a/System/IO.hs
+++ b/System/IO.hs
@@ -241,7 +241,9 @@ import Data.Bits
 import Data.List
 import Data.Maybe
 import Foreign.C.Error
+#ifdef mingw32_HOST_OS
 import Foreign.C.String
+#endif
 import Foreign.C.Types
 import System.Posix.Internals
 import System.Posix.Types