Fix prepare script to set exe bits properly
Fix prepare script to set exe bits properly

darcs-hash:20090419144658-adfee-8ee0320ece4447f934b728286397194f4eed8437.gz

ardumont/haskell-platform,erantapaa/haskell-platform,gbaz/haskell-platform,ardumont/haskell-platform,gbaz/haskell-platform,erantapaa/haskell-platform,erantapaa/haskell-platform,bgamari/haskell-platform,bgamari/haskell-platform,thomie/haskell-platform