patch applied (cabal): Fix user guide docs about --disable-library-vanilla

[Duncan Coutts]

Thu Feb 19 08:55:39 PST 2009  Duncan Coutts <duncan at haskell.org>
  * Fix user guide docs about --disable-library-vanilla
  It is not default. Looks like it was a copy and paste error.

    M ./doc/Cabal.xml -1 +1

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20090219165539-adfee-3bf0210edb38e9a6e93b6ba3387b177f149bf563.gz