patch applied (packages/Cabal): fix for Trac #164: better error reporting for undefined flags

[Ian Lynagh]

Sat Jan 26 15:30:57 PST 2008  Brent Yorgey <byorgey at gmail.com>
  * fix for Trac #164: better error reporting for undefined flags

    M ./Distribution/Configuration.hs -1 +13
    M ./Distribution/PackageDescription.hs -1 +19

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080126233057-bd4d7-b91d3a2bd8a48c17e3b95b376927b2c3b36f54c7.gz