From a7c77e2c204e57534722ea6506c10f53e340bafe Mon Sep 17 00:00:00 2001
From: Aristid Breitkreuz <aristidb@gmail.com>
Date: Tue, 7 Oct 2014 22:42:14 +0200
Subject: [PATCH] optipng: update from 0.7.4 to 0.7.5

---
 pkgs/tools/graphics/optipng/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/graphics/optipng/default.nix b/pkgs/tools/graphics/optipng/default.nix
index 1984ab7b1de8..bc1f86e36612 100644
--- a/pkgs/tools/graphics/optipng/default.nix
+++ b/pkgs/tools/graphics/optipng/default.nix
@@ -5,11 +5,11 @@
 with stdenv.lib;
 
 stdenv.mkDerivation rec {
-  name = "optipng-0.7.4";
+  name = "optipng-0.7.5";
 
   src = fetchurl {
     url = "mirror://sourceforge/optipng/${name}.tar.gz";
-    sha256 = "1zrphbz17rhhfl1l95q5s979rrhifbwczl2xj1fdrnq5jid5s2sj";
+    sha256 = "17b197437z5wn29llpwklk7ihgx8bhc913gvjf4zyb81idwlprbl";
   };
 
   buildInputs = [ libpng ];