- Add prelocking for stored procedures that uses sp or sf
 - Update test result for sp_error(reported as bug#21294)
 - Make note about new error message from sp-error(bug#17244)


mysql-test/r/sp-error.result:
  Update test result(reported as bug#21294)
mysql-test/r/sp_notembedded.result:
  Update test result after disabling test case
mysql-test/t/sp-error.test:
  Add note about the faulty error message
mysql-test/t/sp_notembedded.test:
  Disable test case until bug#17244 has been fixed
sql/sp.cc:
  Add prelocking for all stored procedures that uses another sp or sf
sql/sp.h:
  Add prelocking for all stored procedures that uses another sp or sf
sql/sql_base.cc:
  Add prelocking for all stored procedures that uses another sp or sf