test: Add the usual Copyright notice.
Fixes #2759.
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5570053
diff --git a/test/fixedbugs/bug260.go b/test/fixedbugs/bug260.go
index 91dc89f..39d29b4 100644
--- a/test/fixedbugs/bug260.go
+++ b/test/fixedbugs/bug260.go
@@ -1,5 +1,9 @@
// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: bug260 failed
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file
+
// Test that structures pack densely, according to the alignment of the largest field.
package main