$OpenBSD: patch-src_png_c,v 1.1.1.1 2012/01/20 19:27:55 sthen Exp $
--- src/png.c.orig	Fri Jan 20 11:14:44 2012
+++ src/png.c	Fri Jan 20 11:15:05 2012
@@ -14,6 +14,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <string.h>
+
 static void
 image_png_read_buf(png_structp png_ptr, png_bytep data, png_size_t len)
 {
@@ -40,7 +42,7 @@ image_png_read_buf(png_structp png_ptr, png_bytep data
     }
  }
 
- png_memcpy(data, buffer_ptr(im->buf), len);
+ memcpy(data, buffer_ptr(im->buf), len);
  buffer_consume(im->buf, len);
  
  goto ok;
