patch applied (ghc): Update ghc-pkg to follow Cabal changes

[Ian Lynagh]

Sat May 10 14:10:35 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Update ghc-pkg to follow Cabal changes

    M ./utils/ghc-pkg/Main.hs -20 +21

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080510211035-3fd76-b3d44342e795a16480e0114f9e8669a7ce96a9bf.gz