Description: <short summary of the patch>
 TODO: Put a short summary on the line above and replace this paragraph
 with a longer explanation of this change. Complete the meta-information
 with other relevant fields (see below for details). To make it easier, the
 information below has been extracted from the changelog. Adjust it or drop
 it.
 .
 dvdisaster (0.72.3-1+libpng151) unstable; urgency=low
 .
   * Build with libpng15.
Author: Nobuhiro Iwamatsu <iwamatsu@debian.org>

---
The information above should follow the Patch Tagging Guidelines, please
checkout http://dep.debian.net/deps/dep3/ to learn about the format. Here
are templates for supplementary fields that you might want to add:

Origin: <vendor|upstream|other>, <url of original patch>
Bug: <url in upstream bugtracker>
Bug-Debian: http://bugs.debian.org/<bugnumber>
Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
Forwarded: <no|not-needed|url proving that it has been forwarded>
Reviewed-By: <name and email of someone who approved the patch>
Last-Update: <YYYY-MM-DD>

Index: dvdisaster/tools/pngio.h
===================================================================
--- dvdisaster.orig/tools/pngio.h	2012-04-08 21:51:11.671592091 +0900
+++ dvdisaster/tools/pngio.h	2012-04-08 21:51:13.799602501 +0900
@@ -22,6 +22,10 @@
 
 #include <zlib.h>
 #include <png.h>
+#if PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 4
+  #include <zlib.h>
+#endif
+
 
 typedef struct
 {  char *name;