$NetBSD: patch-aa,v 1.7 2011/01/24 13:55:18 wiz Exp $

Fix build with png-1.5.
https://sourceforge.net/tracker/?func=detail&aid=3164737&group_id=10501&atid=110501

--- src/ipa/ipa/bmp.h.orig	2001-10-23 11:24:12.000000000 +0000
+++ src/ipa/ipa/bmp.h
@@ -66,7 +66,7 @@ static void ldr_bmp_png (wmfAPI* API,wmf
 		return;
 	}
 
-	if (setjmp (png_ptr->jmpbuf))
+	if (setjmp (png_jmpbuf(png_ptr)))
 	{	WMF_DEBUG (API,"Failed to write bitmap as PNG! (setjmp failed)");
 		png_destroy_write_struct (&png_ptr,&info_ptr);
 		wmf_free (API,buffer);