From 48ef6136f25e874edbb2207f877537e371b06a1d Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 7 Jan 2005 20:24:36 +0000
Subject: [PATCH] From Kevin Moule, fix to memory overwrite error.

---
 src/osgPlugins/pnm/ReaderWriterPNM.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osgPlugins/pnm/ReaderWriterPNM.cpp b/src/osgPlugins/pnm/ReaderWriterPNM.cpp
index ed83d98f4..af2d16c6e 100644
--- a/src/osgPlugins/pnm/ReaderWriterPNM.cpp
+++ b/src/osgPlugins/pnm/ReaderWriterPNM.cpp
@@ -236,7 +236,7 @@ class ReaderWriterPNM : public osgDB::ReaderWriter
 
                 unsigned char *src = data + width * height;
                 unsigned char *dst = data + width * height * 3;
-                while (src >= data)
+                while (src > data)
                 {
                     *(--dst) = *(--src);
                     *(--dst) = *src;