Merge may.pils.ru:/home/svoj/devel/mysql/BUG7391/mysql-4.1

into  may.pils.ru:/home/svoj/devel/mysql/BUG7391/mysql-5.0


mysql-test/r/grant.result:
  Manual merge: use local.
mysql-test/t/grant.test:
  Manual merge: use local.
sql/sql_update.cc:
  Manual merge: use local.