Fix reference counting problem in pyVaultNode::AddNode().

This is fixed in H'uru via extensive use of RAII around vault nodes.

Sources/Plasma/FeatureLib/pfPython/pyVaultNode.cpp

@@ -441,7 +441,8 @@ PyObject* pyVaultNode::AddNode(pyVaultNode* pynode, PyObject* cbObject, UInt32 c
 			);
 			
 			if (newNode) {
-				newNode->IncRef();
+				// No need to increment the newNode's reference count; the pynode
+				// will steal the current reference.
 				pynode->fNode->DecRef();
 				pynode->fNode = newNode;
 			}