patch applied (packages/Cabal): Refactor and simplify the fixup in "hc-pkg dump"

[Simon Marlow]

Sat Aug 22 06:44:08 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Refactor and simplify the fixup in "hc-pkg dump"
  We have to set the installedPackageId if it's missing.
  There's no need for this to depend on the version of ghc which
  is nice since this module is not supposed to be ghc specific.

    M ./Distribution/Simple/Program/HcPkg.hs -19 +20

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20090822134408-adfee-14ca89721686d859b381454f0b2edee5ad28cfe2.gz