keg_relocate: fix syntax error.
keg_relocate: fix syntax error.

Closes Homebrew/homebrew#42408.

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