Fix parsing extension from URL.
Fix parsing extension from URL.

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