patch applied (cabal): Get the correct value of $topdir on Windows with GHC 6.12.1

Wed Dec 30 12:46:13 PST 2009 Ian Lynagh <igloo@earth.li> * Get the correct value of $topdir on Windows with GHC 6.12.1 M ./Distribution/Simple/GHC.hs -4 +15 M ./Distribution/Simple/Haddock.hs -8 +3 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20091230204613-3fd76-7e6e71f0e...