File tvtime-libpng15.patch of Package tvtime

Index: tvtime-1.0.2/src/pngoutput.c
===================================================================
--- tvtime-1.0.2.orig/src/pngoutput.c
+++ tvtime-1.0.2/src/pngoutput.c
@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <png.h>
+#include <zlib.h>
 #include "pngoutput.h"
 
 struct pngoutput_s