bottle: fix output for absolute symlinks
bottle: fix output for absolute symlinks

Closes Homebrew/homebrew#43816.

Signed-off-by: Xu Cheng <9a05244150b861e40c78843b801eed71bca54eac@me.com>

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