update.sh: further tweak update fix.
update.sh: further tweak update fix.

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