Correct cmake syntax in formula template
Correct cmake syntax in formula template

Closes Homebrew/homebrew#8879.

Signed-off-by: Charlie Sharpsteen <828d338a9b04221c9cbe286f50cd389f68de4ecf@sharpsteen.net>

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