firefox-bin: Add libxcb to build inputs (#17700)

This is needed for future versions of Firefox, and makes external
packaging of prerelease versions of Firefox much easier.

authored by

Mike Cooper and committed by
Rok Garbas
b5194d7b 2c3964fa

+2
+2
pkgs/applications/networking/browsers/firefox-bin/default.nix
··· 17 17 , gtk3 18 18 , libX11 19 19 , libXScrnSaver 20 + , libxcb 20 21 , libXcomposite 21 22 , libXdamage 22 23 , libXext ··· 90 91 libX11 91 92 libXScrnSaver 92 93 libXcomposite 94 + libxcb 93 95 libXdamage 94 96 libXext 95 97 libXfixes