Add licences/ dir and symlinks for a bit more clarity.

[ccan] / ccan / idtree / LICENCE

diff --git a/ccan/idtree/LICENCE b/ccan/idtree/LICENCE
new file mode 120000 (symlink)
index 0000000..943ac2e
--- /dev/null
+++ b/ccan/idtree/LICENCE
@@ -0,0 +1 @@
+../../licences/GPL-2
\ No newline at end of file