glibc: Fix brew audit for Linuxbrew
glibc: Fix brew audit for Linuxbrew

Fix Don't need 'FileUtils.' before ln_sf.

DoomHammer/linuxbrew,gnubila-france/linuxbrew,sjackman/linuxbrew,DoomHammer/linuxbrew,gnubila-france/linuxbrew,saketkc/linuxbrew,saketkc/linuxbrew,Homebrew/linuxbrew,drbenmorgan/linuxbrew,reelsense/linuxbrew,drbenmorgan/linuxbrew,reelsense/linuxbrew,sjackman/linuxbrew,Angeldude/linuxbrew,Homebrew/linuxbrew,Angeldude/linuxbrew,Homebrew/linuxbrew,sjackman/linuxbrew,DoomHammer/linuxbrew,sjackman/linuxbrew,Angeldude/linuxbrew,reelsense/linuxbrew,gnubila-france/linuxbrew,gnubila-france/linuxbrew,saketkc/linuxbrew,SuperNEMO-DBD/cadfaelbrew,SuperNEMO-DBD/cadfaelbrew,Linuxbrew/linuxbrew,Linuxbrew/linuxbrew,SuperNEMO-DBD/cadfaelbrew,saketkc/linuxbrew,SuperNEMO-DBD/cadfaelbrew,drbenmorgan/linuxbrew,Homebrew/linuxbrew,Linuxbrew/linuxbrew,reelsense/linuxbrew,DoomHammer/linuxbrew,Linuxbrew/linuxbrew,drbenmorgan/linuxbrew,Angeldude/linuxbrew