Source: https://sources.debian.net/src/tvtime/1.0.2-14/debian/patches/libpng.diff From: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Date: Mon, 14 May 2012 19:01:31 +0900 Prepares the package for libpng 1.5. Closes: #650582. --- tvtime-1.0.2.orig/src/pngoutput.c +++ tvtime-1.0.2/src/pngoutput.c @@ -18,5 +18,6 @@ #include <stdio.h> #include <stdlib.h> +#include <zlib.h> #include <png.h> #include "pngoutput.h"