$NetBSD: patch-ae,v 1.1 2011/01/31 20:23:10 wiz Exp $

Fix build with png-1.5.

--- RGBGraph.cc.orig	2006-03-14 01:59:34.000000000 +0000
+++ RGBGraph.cc
@@ -118,7 +118,7 @@ RGBGraph::writeAsPNG (png_rw_ptr write_d
    /* Set error handling.  REQUIRED if you aren't supplying your own
     * error hadnling functions in the png_create_write_struct() call.
     */
-   if (setjmp(png_ptr->jmpbuf))
+   if (setjmp(png_jmpbuf(png_ptr)))
      barf (PNG_WRITE_FAILURE);
 
    /* set up the output control if you are using standard C streams */