patch applied (ghc): fix warning

[Simon Marlow]

Tue Jul 28 03:27:07 PDT 2009  Simon Marlow <marlowsd at gmail.com>
  * fix warning
  Ignore-this: ad4f07a163921d17d242a9452b4bb578

    M ./compiler/codeGen/CgCase.lhs -1

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090728102707-12142-dbe9941415b5bd09fed87f5fcd526c946a9ef29e.gz