Fix thinko in encoding check for chr()

src/backend/utils/adt/oracle_compat.c

@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	$PostgreSQL: pgsql/src/backend/utils/adt/oracle_compat.c,v 1.75 2007/11/24 21:16:55 tgl Exp $
+ *	$PostgreSQL: pgsql/src/backend/utils/adt/oracle_compat.c,v 1.76 2007/12/18 18:01:48 adunstan Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1423,7 +1423,7 @@ chr			(PG_FUNCTION_ARGS)
 
 		is_mb = pg_encoding_max_length(encoding) > 1;
 
-		if ((is_mb && (cvalue > 255)) || (!is_mb && (cvalue > 127)))
+		if ((is_mb && (cvalue > 127)) || (!is_mb && (cvalue > 255)))
 			ereport(ERROR,
 					(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
 					 errmsg("requested character too large for encoding: %d",