From 6140424123eb97bf39d2c8e921ca03e5e5a39bba Mon Sep 17 00:00:00 2001
From: Matthieu Texier <matthieu@mtexier.com>
Date: Tue, 24 Jul 2018 14:44:41 +0200
Subject: [PATCH] Fix listing 59.4

---
 src/chapter-59.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/chapter-59.md b/src/chapter-59.md
index ff13c30..376634f 100644
--- a/src/chapter-59.md
+++ b/src/chapter-59.md
@@ -547,7 +547,7 @@ void WalkTree(NODE *pNode)
             // Pop the next node from the stack so
             // we can visit it and see if it has a
             // right subtree to be traversed
-            if ((pNode = *—pNodeStack) == NULL)
+            if ((pNode = *--pNodeStack) == NULL)
             {
                // Stack is empty and the current node
                // has no right child; we're done