patch applied (packages/Cabal): Allow symbol characters (e.g '+') in the components of a build-tool name

[Ian Lynagh]

Tue Jan  8 13:12:18 PST 2008  David Waern <davve at dtek.chalmers.se>
  * Allow symbol characters (e.g '+') in the components of a build-tool name

    M ./Distribution/PackageDescription.hs -1 +1
    M ./Distribution/ParseUtils.hs -2 +20

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080108211218-69b4a-de23e2b834d8ba7f31859943aa084872134a0389.gz