Fix clean up header includes

1 files changed, 2 insertions, 0 deletions

diff --git a/tree.h b/tree.h
index 94ccb7d..23edf8f 100644
--- a/tree.h
+++ b/tree.h
@@ -1,6 +1,8 @@
 #ifndef TREE_H
 #define TREE_H
 
+#include "node.h"
+
 typedef struct parse_tree {
 	int type;
 	union {