compare_elements: Add missing license notice.

Emmanuel Gil Peyrot created

Change summary

src/compare_elements.rs | 6 ++++++
1 file changed, 6 insertions(+)

Detailed changes

src/compare_elements.rs 🔗

@@ -1,3 +1,9 @@
+// Copyright (c) 2017 Astro <astro@spaceboyz.net>
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 use minidom::{Node, Element};
 
 pub trait NamespaceAwareCompare {