cask/quarantine: fix quarantine not working under some setups
cask/quarantine: fix quarantine not working under some setups

JCount/brew,nandub/brew,MikeMcQuaid/brew,Homebrew/brew,JCount/brew,nandub/brew,Homebrew/brew,Homebrew/brew,nandub/brew,MikeMcQuaid/brew,JCount/brew,MikeMcQuaid/brew,Homebrew/brew,nandub/brew,JCount/brew,MikeMcQuaid/brew