Remove default argument from make_relative_symlink
Remove default argument from make_relative_symlink

All callers of this method now pass a mode object.

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