CurlDownloadStrategy: use with_system_path to locate tar
CurlDownloadStrategy: use with_system_path to locate tar

Closes Homebrew/homebrew#20316.

Signed-off-by: Jack Nagel <43386ce32af96f5c56f2a88e458cb94cebee3751@gmail.com>

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