Attempt to fix Travis MacOSX instance
Attempt to fix Travis MacOSX instance

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