[commit: stm] master: fix warning (b0a1e14)

[Simon Marlow]

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

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/b0a1e149731c3883b96d4f33a190666bc3011e36

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

commit b0a1e149731c3883b96d4f33a190666bc3011e36
Author: Simon Marlow <marlowsd at gmail.com>
Date:   Mon Nov 19 10:45:29 2012 +0000

    fix warning

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

 Control/Concurrent/STM/TSem.hs |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/Control/Concurrent/STM/TSem.hs b/Control/Concurrent/STM/TSem.hs
index ed655cc..53f7f05 100644
--- a/Control/Concurrent/STM/TSem.hs
+++ b/Control/Concurrent/STM/TSem.hs
@@ -20,7 +20,6 @@ module Control.Concurrent.STM.TSem (
 import Control.Concurrent.STM
 import Control.Monad
 import Data.Typeable
-import Control.Exception
 
 -- | 'TSem' is a transactional semaphore.  It holds a certain number
 -- of units, and units may be acquired or released by 'waitTSem' and