openloco: add xorg.libX11 to build input

Fixes #399794

+2
+2
pkgs/games/openloco/default.nix
··· 11 pkg-config, 12 yaml-cpp, 13 fmt, 14 }: 15 let 16 sfl-src = fetchFromGitHub { ··· 68 openal 69 yaml-cpp 70 fmt 71 ]; 72 73 meta = {
··· 11 pkg-config, 12 yaml-cpp, 13 fmt, 14 + xorg, 15 }: 16 let 17 sfl-src = fetchFromGitHub { ··· 69 openal 70 yaml-cpp 71 fmt 72 + xorg.libX11 73 ]; 74 75 meta = {