patch applied (packages/Cabal): Get and merge ghc's package dbs more sensibly

[Simon Marlow]

Mon Oct  5 04:07:14 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Get and merge ghc's package dbs more sensibly
  Ignore-this: fc4b3c983dc7aa0ebc362e990c6a8a2b
  Use the merge rather than just making a big list.

    M ./Distribution/Simple/GHC.hs -14 +19
    M ./Distribution/Simple/LHC.hs -14 +19

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20091005110714-adfee-b645d7c2c497f7f9d2f3869f4e9a496a8ca8a904.gz