uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/desktops/xfce/panel-plugins/xfce4-pulseaudio-plugin/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, mkXfceDerivation
+, automakeAddFlags
+, dbus-glib
+, dbus
+, exo
+, gtk3
+, libpulseaudio
+, libnotify
+, libxfce4ui
+, libxfce4util
+, xfce4-panel
+, xfconf
+, keybinder3
+, glib
+}:
+
+mkXfceDerivation {
+  category = "panel-plugins";
+  pname = "xfce4-pulseaudio-plugin";
+  version = "0.4.3";
+  sha256 = "sha256-+E1pyDP140xUbYPZXhdiEjdU0t8Un+IjV7Ek+hAX3OU=";
+
+  nativeBuildInputs = [
+    automakeAddFlags
+  ];
+
+  NIX_CFLAGS_COMPILE = "-I${dbus-glib.dev}/include/dbus-1.0 -I${dbus.dev}/include/dbus-1.0";
+
+  postPatch = ''
+    substituteInPlace configure.ac.in --replace gio-2.0 gio-unix-2.0
+  '';
+
+  buildInputs = [
+    exo
+    glib
+    gtk3
+    keybinder3
+    libnotify
+    libpulseaudio
+    libxfce4ui
+    libxfce4util
+    xfce4-panel
+    xfconf
+  ];
+
+  meta = with lib; {
+    description = "Adjust the audio volume of the PulseAudio sound system";
+    maintainers = with maintainers; [ ] ++ teams.xfce.members;
+  };
+}