patch applied (packages/Cabal): Bump version to 1.7.1 due to recent changes

[Ian Lynagh]

Sat May 30 14:13:20 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Bump version to 1.7.1 due to recent changes

    M ./Cabal.cabal -2 +2
    M ./Makefile -1 +1

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20090530211320-adfee-493cf0d19aafc3c1a36aa69b3e537bdb45582590.gz