patch applied (cabal): Fix pre-processing for haddock and executables

[Duncan Coutts]

Mon Jun  9 16:36:09 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Fix pre-processing for haddock and executables
  Now look in the right place to find the pre-processed source
  files belongign to executables. Fixes ticket #252.

    M ./Distribution/Simple/Haddock.hs -15 +29

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20080609233609-adfee-bc3fa04c5feba398b4e2f6d0e5402568c5ddc0f5.gz