Add missing copyright blurb, make ruleutils.c use the standard layout

for its header comment.

src/backend/utils/adt/pg_lzcompress.c

@@ -164,7 +164,9 @@
  *
  *			Jan Wieck
  *
- * $PostgreSQL: pgsql/src/backend/utils/adt/pg_lzcompress.c,v 1.23 2006/10/05 23:33:33 tgl Exp $
+ * Copyright (c) 1999-2007, PostgreSQL Global Development Group
+ *
+ * $PostgreSQL: pgsql/src/backend/utils/adt/pg_lzcompress.c,v 1.24 2007/01/20 01:08:42 neilc Exp $
  * ----------
  */
 #include "postgres.h"

src/backend/utils/adt/ruleutils.c

-/**********************************************************************
- * ruleutils.c	- Functions to convert stored expressions/querytrees
- *				back to source text
+/*-------------------------------------------------------------------------
  *
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.243 2007/01/14 21:39:24 petere Exp $
- **********************************************************************/
-
+ * ruleutils.c
+ *	  Functions to convert stored expressions/querytrees back to
+ *	  source text
+ *
+ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.244 2007/01/20 01:08:42 neilc Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
 #include "postgres.h"
 
 #include <unistd.h>

src/backend/utils/adt/version.c

@@ -3,9 +3,11 @@
  * version.c
  *	 Returns the PostgreSQL version string
  *
+ * Copyright (c) 1998-2007, PostgreSQL Global Development Group
+ *
  * IDENTIFICATION
  *
- * $PostgreSQL: pgsql/src/backend/utils/adt/version.c,v 1.13 2003/11/29 19:52:00 pgsql Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/version.c,v 1.14 2007/01/20 01:08:42 neilc Exp $
  *
  *-------------------------------------------------------------------------
  */