remove the need to lib/rbtree to be in the include path

Related to #1785.

diff --git a/lib/rbtree/red_black_tree.h b/lib/rbtree/red_black_tree.h
index 7ad51fa120ec9595df5b7edc2ebd87c890ca90ab..f4be2f3fa63888b3c57c0f3b97d81fb5b74af476 100644 (file)
--- a/lib/rbtree/red_black_tree.h
+++ b/lib/rbtree/red_black_tree.h
@@ -12,7 +12,7 @@
 extern "C" {
 #endif
 
-#include "stack.h"
+#include <rbtree/stack.h>
 
 /*  CONVENTIONS:  All data structures for red-black trees have the prefix */
 /*                "rb_" to prevent name conflicts. */