From 8164d28315eae1b0cb4aeb26f7dc3334e6ff9e69 Mon Sep 17 00:00:00 2001
From: "William A. Kennington III" <william@wkennington.com>
Date: Wed, 5 Aug 2015 23:25:55 -0700
Subject: [PATCH] libpng: 1.6.16 -> 1.6.18

Also enable apng by default
---
 pkgs/development/libraries/libpng/default.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index 17820fa8188e..53777a0c56f0 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -1,13 +1,13 @@
-{ stdenv, fetchurl, zlib, apngSupport ? false }:
+{ stdenv, fetchurl, zlib, apngSupport ? true }:
 
 assert zlib != null;
 
 let
-  version = "1.6.16";
-  sha256 = "0q5ygy15jkpqbj5701ywrjzqp4nl5yz3r4g58h2p0kiycggm9xs2";
+  version = "1.6.18";
+  sha256 = "0qq96rf31483kxz32h6l6921hy6p2v2pfqfvc74km229g4xw241f";
   patch_src = fetchurl {
     url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";
-    sha256 = "1sf27a5gvwvcm4wsf2pyq87d3g4l2fym8cirq9sli54bi753ikbh";
+    sha256 = "0g2ljh2vhclas1hacys1c4gk6l6hyy6sngb2yvdsnjz50nyq16kv";
   };
   whenPatched = stdenv.lib.optionalString apngSupport;