patch applied (ghc-6.6/packages/Cabal): fix bug restricting unknown fields

[Ross Paterson]

Tue Feb 27 14:53:43 PST 2007  Ross Paterson <ross at soi.city.ac.uk>
  * fix bug restricting unknown fields
  
  This is the subset of the HEAD patch "Refactorings only", fixing a bug
  that rejects a .cabal file that contains unknown fields but no library.
  (The original patch is quite large.)  As a consequence, this is required
  only for the 6.6 branch.

    M ./Distribution/PackageDescription.hs -31 +27
    M ./Distribution/ParseUtils.hs -1 +8