Method makeRed

src/java/org/apache/poi/util/BinaryTree.java:621–627

force a node (if it exists) red @param node the node (may be null) in question @param index _KEY or _VALUE

(Node node, int index)

     * @param index _KEY or _VALUE
     */
    private static void makeRed(Node node, int index)
    {
        if (node != null)
        {
            node.setRed(index);
        }
    }

    /**
     * force a node (if it exists) black