patch applied (cabal): Simplify default global libdir for LHC

[Duncan Coutts]

Sun Nov 23 01:58:02 PST 2008  Duncan Coutts <duncan at haskell.org>
  * Simplify default global libdir for LHC
  So it uses libdir=$prefix/lib rather than libdir=/usr/local/lib

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

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20081123095802-adfee-afa50cd9b0020079b114c52dba5a1f783b917bc4.gz