[PATCH] Remove leftover CVS Id in thunk.S

And move the comment to a proper place.
Signed-off-by: Andi Kleen <ak@suse.de>

arch/x86_64/lib/thunk.S

-	/*
+/*
  * Save registers before calling assembly functions. This avoids
  * disturbance of register allocation in some inline assembly constructs.
  * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
  * Subject to the GNU public license, v.2. No warranty of any kind.
-	 * $Id: thunk.S,v 1.2 2002/03/13 20:06:58 ak Exp $
  */
 
 	#include <linux/config.h>