patch applied (packages/Cabal): Use Setup.hs when calling setup

[Ian Lynagh]

Sun Mar 21 04:17:50 PDT 2010  Duncan Coutts <duncan at haskell.org>
  * Use Setup.hs when calling setup
  In case we've got a compiled Setup binary

    M ./tests/PackageTests/PackageTester.hs -1 +1

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/Cabal;a=darcs_commitdiff;h=20100321111750-adfee-e30db61979c1cc0de8f6f99815bf8f58ecf7b0b2.gz