Use WebM in copyright notice for consistency

Changes 'The VP8 project' to 'The WebM project', for consistency
with other webmproject.org repositories.

Fixes issue #97.

Change-Id: I37c13ed5fbdb9d334ceef71c6350e9febed9bbba
diff --git a/examples/gen_example_doxy.php b/examples/gen_example_doxy.php
index a2d0790..701bbd3 100755
--- a/examples/gen_example_doxy.php
+++ b/examples/gen_example_doxy.php
@@ -1,6 +1,6 @@
 #!/usr/bin/env php
 /*
- *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source