patch applied (cabal): Fix "unused-do-bind" warnings properly

[Duncan Coutts]

Mon Jul 27 09:11:25 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Fix "unused-do-bind" warnings properly
  Though I'm not at all sure I like the _ <- bind idiom.

    M ./Distribution/Simple/Configure.hs -1 +1
    M ./Distribution/Simple/GHC.hs -1 +1
    M ./Distribution/Simple/LHC.hs -1 +1

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20090727161125-adfee-5a571e9e39e07293d774fee7ee33924c6b086983.gz