into sanja.is.com.ua:/home/bell/mysql/work-crash-4.1

       fix mysql_change_user() for old clients

into sinisa.nasamreza.org:/mnt/work/mysql-4.1

I am pushing now, because :

* I have a fix for crashing bug
* Sanja will destroy my changes in sub-select test ... ;)

into sanja.is.com.ua:/home/bell/mysql/work-crash-4.1

Implement mysql_change_user
Get rid of double user search at authentication
Some cleanups

Commit for merge 

into sinisa.nasamreza.org:/mnt/work/mysql-4.1

into sinisa.nasamreza.org:/mnt/work/mysql-4.1

into serg.mysql.com:/usr/home/serg/Abk/mysql-4.1

moved SQLCOM_END to the end of the list
bad copy-paste in sql_yacc.yy fixed

into sanja.is.com.ua:/home/bell/mysql/work-crash-4.1

into bar.mysql.r18.ru:/usr/home/bar/mysql-4.1.wrk

fixed naming bug
fixed bug of subselect excluding

  renamed arg name to avoid a warning that it shadows global variable

into sanja.is.com.ua:/home/bell/mysql/work-row-4.1

after merge fix

into sanja.is.com.ua:/home/bell/mysql/work-row-4.1

into myvenu.com:/home/venu/bk/src-4.1

into sanja.is.com.ua:/home/bell/mysql/work-crash-4.1