--- 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");