patch applied (cabal-install): Fix infinite loop in the TopDown dependency resolver

[Duncan Coutts]

Thu Sep 25 11:14:41 PDT 2008  Andrea Vezzosi <sanzhiyan at gmail.com>
  * Fix infinite loop in the TopDown dependency resolver
  The loop occurred only if a package depended on another one
  with the same name, e.g. base-3.0.3.0 <- base-4.0.0.0

    M ./Distribution/Client/Dependency/TopDown.hs -4 +9

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20080925181441-cd449-4fd4f850d3407116a6a15dbb1e6116b92be462e5.gz