patch applied (packages/Cabal): Use CompilerFlavor rather than String in configurations expressions

[Ian Lynagh]

Tue Mar  4 17:10:46 PST 2008  Duncan Coutts <duncan at haskell.org>
  * Use CompilerFlavor rather than String in configurations expressions
  Better type safety and more robust parsing.

    M ./Distribution/PackageDescription.hs -3 +4
    M ./Distribution/PackageDescription/Configuration.hs -8 +9
    M ./Distribution/Simple/Configure.hs -3 +1

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080305011046-adfee-9345e89cdc7ebf073cf49391b7e21a851dd4d9df.gz