patch applied (ghc-6.6/testsuite): allow ignoring output from ghci scripts

[Simon Marlow]

Tue Apr  3 04:25:46 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * allow ignoring output from ghci scripts
  don't merge; this is done better in the HEAD

    M ./driver/testlib.py -1 +7