tap: fix env typo.
tap: fix env typo.

JCount/brew,konqui/brew,konqui/brew,reelsense/brew,bfontaine/brew,maxim-belkin/brew,vitorgalvao/brew,EricFromCanada/brew,gregory-nisbet/brew,rwhogg/brew,zmwangx/brew,ilovezfs/brew,reelsense/brew,tonyg/homebrew,ilovezfs/brew,sjackman/homebrew,Homebrew/brew,aw1621107/brew,aw1621107/brew,gregory-nisbet/brew,MikeMcQuaid/brew,jmsundar/brew,palxex/brew,Homebrew/brew,zmwangx/brew,Linuxbrew/brew,claui/brew,hanxue/linuxbrew,bfontaine/brew,reelsense/brew,Linuxbrew/brew,nandub/brew,gregory-nisbet/brew,mgrimes/brew,maxim-belkin/brew,Linuxbrew/brew,DomT4/brew,mahori/brew,mahori/brew,nandub/brew,mahori/brew,ilovezfs/brew,nandub/brew,JCount/brew,bfontaine/brew,claui/brew,DomT4/brew,pseudocody/brew,alyssais/brew,palxex/brew,reitermarkus/brew,reitermarkus/brew,JCount/brew,zmwangx/brew,mgrimes/brew,konqui/brew,muellermartin/dist,jmsundar/brew,aw1621107/brew,konqui/brew,EricFromCanada/brew,pseudocody/brew,DomT4/brew,DomT4/brew,tonyg/homebrew,vitorgalvao/brew,nandub/brew,EricFromCanada/brew,pseudocody/brew,reitermarkus/brew,claui/brew,reitermarkus/brew,MikeMcQuaid/brew,hanxue/linuxbrew,Homebrew/brew,mgrimes/brew,Linuxbrew/brew,amar-laksh/brew_sudo,jmsundar/brew,vitorgalvao/brew,amar-laksh/brew_sudo,sjackman/homebrew,vitorgalvao/brew,sjackman/homebrew,JCount/brew,claui/brew,maxim-belkin/brew,muellermartin/dist,MikeMcQuaid/brew,MikeMcQuaid/brew,hanxue/linuxbrew,alyssais/brew,palxex/brew,Homebrew/brew,EricFromCanada/brew,tonyg/homebrew,amar-laksh/brew_sudo,alyssais/brew,mahori/brew,muellermartin/dist,sjackman/homebrew,rwhogg/brew,rwhogg/brew