From 60e75d8243944ff52243a0b61129d972e4ea2a5f Mon Sep 17 00:00:00 2001
From: Chuck Walbourn <chuckw@windows.microsoft.com>
Date: Fri, 8 May 2015 16:14:18 -0700
Subject: [PATCH] Fix for potential double-free crash

---
 UVAtlas/isochart/mergecharts.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/UVAtlas/isochart/mergecharts.cpp b/UVAtlas/isochart/mergecharts.cpp
index 1e16fb9..3f14e64 100644
--- a/UVAtlas/isochart/mergecharts.cpp
+++ b/UVAtlas/isochart/mergecharts.cpp
@@ -115,7 +115,11 @@ void CIsochartMesh::ReleaseAllNewCharts(
 {
     for (size_t i=0; i<children.size(); i++)
     {
-        delete children[i];
+        auto* pChart = children[i];
+        if ( pChart && !pChart->IsInitChart() )
+        {
+            delete pChart;
+        }
     }
     children.clear();
 }