[commit: ghc] master: Update haskeline submodule to avoid -Werror failure (38cb5ec)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/38cb5ec13ea7757edf99cda1de9303177b448b88/ghc

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commit 38cb5ec13ea7757edf99cda1de9303177b448b88
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Tue Sep 23 08:42:55 2014 +0200

    Update haskeline submodule to avoid -Werror failure
    
    This would occur only on Windows during `./validate`


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38cb5ec13ea7757edf99cda1de9303177b448b88
 libraries/haskeline | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/haskeline b/libraries/haskeline
index 4a26c23..bf1a30f 160000
--- a/libraries/haskeline
+++ b/libraries/haskeline
@@ -1 +1 @@
-Subproject commit 4a26c23c49583142648b4e60ad2fd450a70731e2
+Subproject commit bf1a30ff7e25406359db9b0146a104248d058008