patch applied (testsuite): indexed types: adding missing files

[chak at cse.unsw.edu.au]

Fri Dec 15 08:00:08 PST 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * indexed types: adding missing files

    A ./tests/ghc-regress/indexed-types/should_compile/Simple6.hs
    A ./tests/ghc-regress/indexed-types/should_fail/Simple6.hs
    A ./tests/ghc-regress/indexed-types/should_fail/Simple7.hs
    A ./tests/ghc-regress/indexed-types/should_fail/Simple8.hs