patch applied (cabal): Make rendering the ghc package db stack more lenient

[Duncan Coutts]

Sun May 31 12:25:45 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Make rendering the ghc package db stack more lenient
  Allow the user package db to appear after a specific one.
  No reason not to and makes some things in cabal-install more convenient.

    M ./Distribution/Simple/GHC.hs -6 +7

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20090531192545-adfee-47c7f8465149e757b40c27c294aeece77f54ccf3.gz