patch applied (ghc-fc2): newtype deriving dicts, compiling at least

[chak at cse.unsw.edu.au]

Sat Aug  5 18:24:54 PDT 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * newtype deriving dicts, compiling at least
  Fri Jul  7 13:07:32 EDT 2006  kevind at bu.edu

    M ./compiler/typecheck/TcInstDcls.lhs -60 +33