patch applied (ghc-6.8/packages/containers): Add tiny regression test

[Ian Lynagh]

Mon Nov 12 20:53:58 PST 2007  David Benbennick <dbenbenn at gmail.com>
  * Add tiny regression test

    M ./tests/all.T -1 +1
    A ./tests/dataintset001.hs
    A ./tests/dataintset001.stdout