update mac symbol tool for ffmpegsumo change in upstream
update mac symbol tool for ffmpegsumo change in upstream

kurainooni/nw.js,nwjs/nw.js,kurainooni/nw.js,nwjs/nw.js,nwjs/nw.js,kurainooni/nw.js,kurainooni/nw.js,kurainooni/nw.js,kurainooni/nw.js,nwjs/nw.js,kurainooni/nw.js,nwjs/nw.js,nwjs/nw.js