Update result file for func_misc to 5.1 version format

mysql-test/r/func_misc.result

@@ -138,7 +138,7 @@ create table t1 select INET_ATON('255.255.0.1') as `a`;
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `a` bigint(21) unsigned default NULL
+  `a` bigint(21) unsigned DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 End of 5.0 tests