various: add LICENSE comments.

[ccan] / ccan / idtree / idtree.h

diff --git a/ccan/idtree/idtree.h b/ccan/idtree/idtree.h
index 3835d7f522b38582f7e592dda2e76dd99e792874..7e58aa56bac314672d475e9af6f757d1369a61fd 100644 (file)
--- a/ccan/idtree/idtree.h
+++ b/ccan/idtree/idtree.h
@@ -1,3 +1,4 @@
+/* Licensed under GPLv2+ - see LICENSE file for details */
 #ifndef CCAN_IDTREE_H
 #define CCAN_IDTREE_H
 #include <stdbool.h>