updated a bunch of headers
for the new license
diff --git a/lib/common/error_private.h b/lib/common/error_private.h
index 1bc2e49..9dd9a87 100644
--- a/lib/common/error_private.h
+++ b/lib/common/error_private.h
@@ -1,10 +1,10 @@
-/**
+/*
* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
* All rights reserved.
*
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
*/
/* Note : this module is expected to remain private, do not expose it */