citation changes for 1.31.0

[mothur.git] / decisiontree.cpp

diff --git a/decisiontree.cpp b/decisiontree.cpp
index f5310bc1983b50eda0411c78061d7a58c6447ffd..1fd29240c156049f61abd9e9bc1f66132275d16c 100644 (file)
--- a/decisiontree.cpp
+++ b/decisiontree.cpp
@@ -440,7 +440,7 @@ void DecisionTree::deleteTreeNodesRecursively(RFTreeNode* treeNode) {
         if (treeNode == NULL) { return; }
         deleteTreeNodesRecursively(treeNode->leftChildNode);
         deleteTreeNodesRecursively(treeNode->rightChildNode);
-        delete treeNode;
+        delete treeNode; treeNode = NULL;
     }
        catch(exception& e) {
                m->errorOut(e, "DecisionTree", "deleteTreeNodesRecursively");