File celestia-libpng15.patch of Package celestia

Index: celestia-1.6.1/src/celestia/imagecapture.cpp
===================================================================
--- celestia-1.6.1.orig/src/celestia/imagecapture.cpp
+++ celestia-1.6.1/src/celestia/imagecapture.cpp
@@ -11,6 +11,7 @@
 #include <celutil/debug.h>
 #include "../celengine/gl.h"
 #include <celengine/celestia.h>
+#include <zlib.h>
 #include "imagecapture.h"
 
 extern "C" {