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/games/eboard/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchurl, perl, pkg-config, gtk2 }:
+
+stdenv.mkDerivation rec {
+  pname = "eboard";
+  version = "1.1.1";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/eboard/eboard-${version}.tar.bz2";
+    sha256 = "0vm25j1s2zg1lipwjv9qrcm877ikfmk1yh34i8f5l3bwd63115xd";
+  };
+
+  patches = [ ./eboard.patch ];
+
+  buildInputs = [ gtk2 ];
+  nativeBuildInputs = [ perl pkg-config ];
+
+  hardeningDisable = [ "format" ];
+
+  preConfigure = ''
+    patchShebangs ./configure
+  '';
+
+  NIX_CFLAGS_COMPILE = "-fpermissive";
+  NIX_LDFLAGS = "-ldl";
+
+  meta = {
+    homepage = "http://www.bergo.eng.br/eboard/";
+    description = "Chess interface for Unix-like systems";
+    platforms = lib.platforms.linux;
+  };
+}

pkgs/games/eboard/eboard.patch

@@ -0,0 +1,16 @@
+--- a/cimg.cc	2014-05-25 02:41:58.000000000 -0500
++++ b/cimg.cc	2014-05-25 02:42:31.000000000 -0500
+@@ -94,11 +94,11 @@
+       ct == PNG_COLOR_TYPE_GRAY_ALPHA)
+     png_set_gray_to_rgb(pngp);
+
+-  alloc(pngp->width,pngp->height);
++  alloc(png_get_image_width(pngp, infp),png_get_image_height(pngp, infp));
+   if (!ok) { fclose(f); return; }
+   ok = 0;
+
+-  for(i=0;i<pngp->height;i++) {
++  for(i=0;i<png_get_image_height(pngp, infp);i++) {
+     png_read_row(pngp, (png_bytep) (&data[i*rowlen]), NULL);
+   }
+