patch applied (ghc): Under utils/ext-core, update README to mention that ext-core is now on Hackage

[Tim Chevalier]

Sun Sep 27 16:08:45 PDT 2009  Tim Chevalier <chevalier at alum.wellesley.edu>
  * Under utils/ext-core, update README to mention that ext-core is now on Hackage
  Ignore-this: 8d8d2cad45c07931f0ed1ccfed002d66

    M ./utils/ext-core/README +9

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090927230845-d61e2-85a0ce6d58efd7b27a602a100efe016bba3e07b2.gz