Fix obsolete comment. Zdenek Kotala

src/backend/access/transam/xlog.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.329 2009/01/23 11:19:34 heikki Exp $
+ * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.330 2009/02/07 10:49:36 heikki Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -4045,15 +4045,9 @@ ReadControlFile(void)
 				(errmsg("incorrect checksum in control file")));
 
 	/*
-	 * Do compatibility checking immediately.  We do this here for 2 reasons:
-	 *
-	 * (1) if the database isn't compatible with the backend executable, we
-	 * want to abort before we can possibly do any damage;
-	 *
-	 * (2) this code is executed in the postmaster, so the setlocale() will
-	 * propagate to forked backends, which aren't going to read this file for
-	 * themselves.	(These locale settings are considered critical
-	 * compatibility items because they can affect sort order of indexes.)
+	 * Do compatibility checking immediately.  If the database isn't
+	 * compatible with the backend executable, we want to abort before we
+	 * can possibly do any damage.
 	 */
 	if (ControlFile->catalog_version_no != CATALOG_VERSION_NO)
 		ereport(FATAL,