patch applied (cabal): Loosen the invariant, it was too strict

[Simon Marlow]

Tue Oct  6 06:37:56 PDT 2009  Simon Marlow <marlowsd at gmail.com>
  * Loosen the invariant, it was too strict
  Ignore-this: 6087cfc11c19d4bac2fddcf007e9bb7c
  The packages do not need to be in the same order when sorted by
  package name as when sorted by InstalledPackageId.

    M ./Distribution/Simple/PackageIndex.hs -2 +3

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20091006133756-12142-028f81e36861c93ae39dc7fb21995935bf95b984.gz