--- chromium-5.0.323.0-orig/src/third_party/WebKit/WebCore/platform/image-encoders/skia/PNGImageEncoder.cpp	2010-02-10 15:51:17.000000000 +0100
+++ chromium-5.0.323.0/src/third_party/WebKit/WebCore/platform/image-encoders/skia/PNGImageEncoder.cpp	2010-02-10 18:16:45.274363852 +0100
@@ -130,9 +130,9 @@
     }
 
     png_struct* pngPtr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
-                                                 png_voidp_NULL,
-                                                 png_error_ptr_NULL,
-                                                 png_error_ptr_NULL);
+                                                 0,
+                                                 0,
+                                                 0);
     if (!pngPtr)
         return false;