kwin: Fix build with qt 5.10

Changed files
+2 -2
pkgs
desktops
plasma-5
+2 -2
pkgs/desktops/plasma-5/kwin/default.nix
···
];
outputs = [ "bin" "dev" "out" ];
patches = copyPathsToStore (lib.readPathsFromFile ./. ./series);
-
NIX_CFLAGS_COMPILE = [
-
''-DNIXPKGS_XWAYLAND="${lib.getBin xwayland}/bin/Xwayland"''
+
CXXFLAGS = [
+
''-DNIXPKGS_XWAYLAND=\"${lib.getBin xwayland}/bin/Xwayland\"''
];
cmakeFlags = [ "-DCMAKE_SKIP_BUILD_RPATH=OFF" ];
postInstall = ''