diff -ruN --exclude=CVS /usr/ports/multimedia/dvdauthor.orig/files/patch-src__subgen-image.c /usr/ports/multimedia/dvdauthor/files/patch-src__subgen-image.c
--- /usr/ports/multimedia/dvdauthor.orig/files/patch-src__subgen-image.c	1969-12-31 18:00:00.000000000 -0600
+++ /usr/ports/multimedia/dvdauthor/files/patch-src__subgen-image.c	2010-07-15 19:58:36.000000000 -0500
@@ -0,0 +1,11 @@
+--- src/subgen-image.c.orig	2007-01-12 19:40:42.000000000 -0600
++++ src/subgen-image.c	2010-07-15 19:56:30.000000000 -0600
+@@ -203,7 +203,7 @@
+     png_struct *ps;
+     png_info *pi;
+     png_byte **rowp;
+-    unsigned long width,height;
++    png_uint_32 width,height;
+     int bit_depth,color_type,channels,x,y;
+ 
+     fp=fopen(s->fname,"rb");