Fixed problem when connecting to user without a password.

Fixed problem with LIKE and BINARY

mysql-test/t/rpl_user_variables.test

@@ -1,14 +1,8 @@
+#
+# Test of replicating user variables
+#
 source include/master-slave.inc;
-connection master;
-save_master_pos;
-connection slave;
-sync_with_master;
-stop slave;
-reset master;
-connection master;
---disable_warnings
-drop table if exists t1;
---enable_warnings
+
 create table t1(n char(30));
 set @i1:=12345678901234, @i2:=-12345678901234, @i3:=0, @i4:=-1;
 set @s1:='This is a test', @r1:=12.5, @r2:=-12.5;
@@ -27,7 +21,6 @@ set @a:=5;
 insert into t1 values (@a),(@a);
 save_master_pos;
 connection slave;
-start slave;
 sync_with_master;
 select * from t1;
 show binlog events from 141;