patched gnome-shell build (archlinux package) to disable sounds

Jan Alexander Steffens ab7a5db907 3.28.2+15+g9c51c87d8-1 7 rokov pred
PKGBUILD ab7a5db907 3.28.2+15+g9c51c87d8-1 7 rokov pred
fix.diff ab7a5db907 3.28.2+15+g9c51c87d8-1 7 rokov pred