patch applied (testsuite): TypeFamilies: fixed Simple14 and added Simple15

[chak at cse.unsw.edu.au]

Fri Sep  7 03:16:16 PDT 2007  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * TypeFamilies: fixed Simple14 and added Simple15

    M ./tests/ghc-regress/indexed-types/should_fail/Simple14.stderr -1 +5
    A ./tests/ghc-regress/indexed-types/should_fail/Simple15.hs
    A ./tests/ghc-regress/indexed-types/should_fail/Simple15.stderr
    M ./tests/ghc-regress/indexed-types/should_fail/all.T -1 +2