Change permission bits for build.cabal.sh, fixes #517 (#520)
Change permission bits for build.cabal.sh, fixes #517 (#520)


sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,bgamari/shaking-up-ghc,snowleopard/hadrian,sdiehl/ghc,snowleopard/shaking-up-ghc,sdiehl/ghc