Merge chilla.local:/home/mydev/mysql-5.0-bug14400-monty

into  chilla.local:/home/mydev/mysql-5.1-bug14400-monty


BitKeeper/etc/ignore:
  auto-union
mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
storage/myisam/mi_rkey.c:
  Auto merged