tree: bugfix - fix backtrack status

diff --git a/tree.cc b/tree.cc
index c52c184077519e5ccc2d802fd4a98634cdf438c2..3a7f5c40e694cd4c8658ff1e122cd6959eaa3f87 100644 (file)
--- a/tree.cc
+++ b/tree.cc
@@ -34,7 +34,7 @@ TreeNode *TreeNode::exploreChild(tree_t id)
 
 int TreeNode::setBacktrack(tree_t id)
 {
-       if (backtrack.find(id) == backtrack.end())
+       if (backtrack.find(id) != backtrack.end())
                return 1;
        backtrack.insert(id);
        return 0;