patch applied (ghc): Fix warnings in TcRules

[Ian Lynagh]

Fri Jun  6 13:08:00 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Fix warnings in TcRules

    M ./compiler/typecheck/TcRules.lhs -8 +2

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080606200800-3fd76-817927871e85a76133a6e03c2b9f944a4a49caaa.gz