--- Image-Scale-0.08.orig/src/png.c	2011-07-11 10:03:28.000000000 -0500
+++ Image-Scale-0.08/src/png.c	2014-10-06 15:07:14.824434687 -0500
@@ -40,7 +40,7 @@ image_png_read_buf(png_structp png_ptr,
     }
  }
 
- png_memcpy(data, buffer_ptr(im->buf), len);
+ memcpy(data, buffer_ptr(im->buf), len);
  buffer_consume(im->buf, len);
  
  goto ok;