Update copyright headers; remove pointless dates, add a pointer to the LICENSE file.
diff --git a/OpenSSL/crypto/x509ext.c b/OpenSSL/crypto/x509ext.c
index d629732..3b5c9a9 100644
--- a/OpenSSL/crypto/x509ext.c
+++ b/OpenSSL/crypto/x509ext.c
@@ -1,12 +1,12 @@
 /*
  * x509ext.c
  *
- * Copyright (C) Jean-Paul Calderone 2008, All rights reserved
+ * Copyright (C) Jean-Paul Calderone 2008
+ * See LICENSE for details.
  *
  * Export X.509 extension functions and data structures.
  * See the file RATIONALE for a short explanation of why this module was written.
  *
- * @(#) $Id: x509ext.c,v 1.1 2002/07/09 13:34:46 martin Exp $
  */
 
 #include <Python.h>