various: add LICENSE comments.

[ccan] / ccan / opt / opt.h

diff --git a/ccan/opt/opt.h b/ccan/opt/opt.h
index e06cd4424c746e215185481ce08375b6024e49d0..643c18de336ba17cdcec3f3f7161dee6b3b513ae 100644 (file)
--- a/ccan/opt/opt.h
+++ b/ccan/opt/opt.h
@@ -1,3 +1,4 @@
+/* Licensed under GPLv3+ - see LICENSE file for details */
 #ifndef CCAN_OPT_H
 #define CCAN_OPT_H
 #include <ccan/compiler/compiler.h>