patch applied (testsuite): indexed types: adapted two tests to omitted sigs in ATs

[chak at cse.unsw.edu.au]

Wed Dec  6 14:20:05 PST 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * indexed types: adapted two tests to omitted sigs in ATs

    M ./tests/ghc-regress/indexed-types/should_fail/Simple2a.hs -1 +3
    M ./tests/ghc-regress/indexed-types/should_fail/Simple2a.stderr -4 +1
    M ./tests/ghc-regress/indexed-types/should_fail/Simple2b.hs -2 +2
    M ./tests/ghc-regress/indexed-types/should_fail/Simple2b.stderr -1 +5