don't fail w/o bdb (or innodb)
sql/sql_base.cc
    typo fixed.
    "mysql-test-run --ps-protocol select" fixed (item->cached_item was set to the last table if many matches)


mysql-test/r/multi_update.result:
  don't fail w/o bdb (or innodb)
mysql-test/t/multi_update.test:
  don't fail w/o bdb (or innodb)
sql/sql_base.cc:
  typo fixed.
  "mysql-test-run --ps-protocol select" fixed (item->cached_item was set to the last table if many matches)