patch applied (ghc): Make sure ATs are included into the temporary env for tc knot tying

[chak at cse.unsw.edu.au]

Wed Sep 20 11:35:03 PDT 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * Make sure ATs are included into the temporary env for tc knot tying
  Mon Sep 18 19:03:31 EDT 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
    * Make sure ATs are included into the temporary env for tc knot tying
    Wed Aug 16 17:52:40 EDT 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
      * Make sure ATs are included into the temporary env for tc knot tying

    M ./compiler/main/HscTypes.lhs -3 +2
    M ./compiler/typecheck/TcTyClsDecls.lhs -16 +32