patch applied (packages/Cabal): Restore compatability with ghc-6.8 and 6.6 but drop support for ghc-6.4

[Ian Lynagh]

Sat Oct 16 11:27:14 PDT 2010  Duncan Coutts <duncan at haskell.org>
  * Restore compatability with ghc-6.8 and 6.6 but drop support for ghc-6.4

    M! ./Cabal.cabal -1 +1
    M! ./Distribution/Simple/Test.hs -7 +9
    M! ./Distribution/TestSuite.hs -21 +53

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/Cabal;a=darcs_commitdiff;h=20101016182714-adfee-bccd228adf22c2be73d286cc43c1c84d43f47224.gz