patch applied (ghc): Make TcHsSyn warning-free

[Ian Lynagh]

Tue May  6 13:18:29 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Make TcHsSyn warning-free

    M ./compiler/typecheck/TcHsSyn.lhs -47 +54

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080506201829-3fd76-e99afd5630ef0cdca8f42f02c06a05e931b8cc7a.gz