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/applications/graphics/qscreenshot/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchurl, dos2unix, which, qt, Carbon }:
+
+stdenv.mkDerivation rec {
+  pname = "qscreenshot";
+  version = "1.0";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/qscreenshot/qscreenshot-${version}-src.tar.gz";
+    sha256 = "1spj5fg2l8p5bk81xsv6hqn1kcrdiy54w19jsfb7g5i94vcb1pcx";
+  };
+
+  buildInputs = [ dos2unix which qt ]
+    ++ lib.optional stdenv.isDarwin Carbon;
+
+  # Remove carriage returns that cause /bin/sh to abort
+  preConfigure = ''
+    dos2unix configure
+    sed -i "s|lrelease-qt4|lrelease|" src/src.pro
+  '';
+
+  meta = with lib; {
+    description = "Simple creation and editing of screenshots";
+    homepage = "https://sourceforge.net/projects/qscreenshot/";
+    license = licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = [ maintainers.bjornfor ];
+  };
+}