Rename the copyright authors from NXT to Dawn
diff --git a/src/tests/unittests/BitSetIteratorTests.cpp b/src/tests/unittests/BitSetIteratorTests.cpp
index 50198a9..4bffd61 100644
--- a/src/tests/unittests/BitSetIteratorTests.cpp
+++ b/src/tests/unittests/BitSetIteratorTests.cpp
@@ -1,4 +1,4 @@
-// Copyright 2017 The NXT Authors
+// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
