From afce26260180a442aea9dd9308140d9ea0318104 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 30 Apr 2010 10:52:24 +0000
Subject: [PATCH] Added free of _visualInfo if it's already been allocated

---
 src/osgViewer/GraphicsWindowX11.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/osgViewer/GraphicsWindowX11.cpp b/src/osgViewer/GraphicsWindowX11.cpp
index 31d442411..f00d465ea 100644
--- a/src/osgViewer/GraphicsWindowX11.cpp
+++ b/src/osgViewer/GraphicsWindowX11.cpp
@@ -282,6 +282,16 @@ Display* GraphicsWindowX11::getDisplayToUse() const
 
 bool GraphicsWindowX11::createVisualInfo()
 {
+    if (_visualInfo)
+    {
+    #ifdef OSG_USE_EGL
+        delete _visualInfo;
+    #else
+        XFree(_visualInfo);
+    #endif
+        _visualInfo = 0;
+    }
+
     if( _window != 0 )
     {
         XWindowAttributes watt;