[TIPC] Update of file headers

The copyright statements from different parts of Ericsson
have been merged into one.

Signed-off-by: Per Liden <per.liden@nospam.ericsson.com>

net/tipc/dbg.h

@@ -1,9 +1,8 @@
 /*
  * net/tipc/dbg.h: Include file for TIPC print buffer routines
  * 
- * Copyright (c) 2003-2005, Ericsson Research Canada
+ * Copyright (c) 2003-2006, Ericsson AB
  * Copyright (c) 2005, Wind River Systems
- * Copyright (c) 2005-2006, Ericsson AB
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without