Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.0

into mysql.com:/home/psergey/mysql-5.0-bug12943


mysql-test/r/sp.result:
  Auto merged
mysql-test/t/sp.test:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/sp_head.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged