Fix license reference to reflect gplv2 license

init/perf_log.h

Index: init/perf_log.h
diff --git a/init/perf_log.h b/init/perf_log.h
index 355024d0f584f9ea2bba122873e2353733c62ad9..d698c96943cca96d1fcf05fd05821d1ddf0543e0 100644
--- a/init/perf_log.h
+++ b/init/perf_log.h
@@ -1,6 +1,18 @@
-// Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
 
 #ifndef PERF_LOG_H
 #define PERF_LOG_H