From c8e7f042006b82a27046d7aa5c6aec25786be995 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 15 Jul 2003 16:20:50 +0000
Subject: [PATCH] Fix for compile oddities on an Octane with old zlib headers
 hanging around, change is non intrusive.

---
 src/osgPlugins/png/ReaderWriterPNG.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/osgPlugins/png/ReaderWriterPNG.cpp b/src/osgPlugins/png/ReaderWriterPNG.cpp
index d0aee3d9e..75e008c7a 100644
--- a/src/osgPlugins/png/ReaderWriterPNG.cpp
+++ b/src/osgPlugins/png/ReaderWriterPNG.cpp
@@ -10,6 +10,7 @@ using namespace osg;
 
 extern "C"
 {
+    #include <zlib.h>
     #include <png.h>
 }