mysql-test/r/csv.result:
  update result file
mysql-test/t/csv.test:
  add a test for the bug
sql/examples/ha_tina.cc:
  move open() call before my_hash_insert, so that we don't insert invalid
  share to the hash. To avoid other possible problems also add
  hash_delete(), so that the share is removed from hash before it is freed.