patch applied (ghc): Remember the free vars in HsRule.

[David Himmelstrup]

Wed Mar  1 11:41:45 PST 2006  Lemmih <lemmih at gmail.com>
  * Remember the free vars in HsRule.

    M ./ghc/compiler/deSugar/Desugar.lhs -1 +1
    M ./ghc/compiler/hsSyn/HsBinds.lhs +1
    M ./ghc/compiler/hsSyn/HsDecls.lhs -1 +4
    M ./ghc/compiler/parser/Parser.y.pp -1 +1
    M ./ghc/compiler/rename/RnSource.lhs -6 +6
    M ./ghc/compiler/typecheck/TcHsSyn.lhs -2 +2
    M ./ghc/compiler/typecheck/TcRules.lhs -3 +3