xfce.libxfce4windowing: 4.20.2 -> 4.20.3 (#414992)

pkgs/desktops/xfce/core/libxfce4windowing/default.nix

@@ -2,6 +2,7 @@
   stdenv,
   lib,
   mkXfceDerivation,
+  python3,
   wayland-scanner,
   glib,
   gtk3,
@@ -22,12 +23,13 @@
 mkXfceDerivation {
   category = "xfce";
   pname = "libxfce4windowing";
-  version = "4.20.2";
+  version = "4.20.3";
 
-  sha256 = "sha256-Xw1hs854K5dZCAYoBMoqJzdSxPRFUYqEpWxg4DLSK5Q=";
+  sha256 = "sha256-l58cTz28UPSVfoIpjBCoSwcqdUJfG9e4UlhVYPyEeAs=";
 
   nativeBuildInputs =
     [
+      python3
       wayland-scanner
     ]
     ++ lib.optionals withIntrospection [
@@ -46,6 +48,10 @@ mkXfceDerivation {
     wlr-protocols
   ];
 
+  postPatch = ''
+    patchShebangs xdt-gen-visibility
+  '';
+
   meta = {
     description = "Windowing concept abstraction library for X11 and Wayland";
     license = lib.licenses.lgpl21Plus;