gtk3: fixup build on *-darwin

+3
+3
pkgs/development/libraries/gtk/3.x.nix
··· 213 wrapProgram $dev/bin/$program \ 214 --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH:$out/share/gsettings-schemas/${pname}-${version}" 215 done 216 ''; 217 218 passthru = {
··· 213 wrapProgram $dev/bin/$program \ 214 --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH:$out/share/gsettings-schemas/${pname}-${version}" 215 done 216 + '' + lib.optionalString stdenv.isDarwin '' 217 + # a comment created a cycle between outputs 218 + sed '/^# ModulesPath =/d' -i "$out"/lib/gtk-*/*/immodules.cache 219 ''; 220 221 passthru = {