Merge bk-internal:/home/bk/mysql-5.1-new

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1


client/mysqltest.c:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/sp.result:
  Auto merged
mysql-test/r/union.result:
  Auto merged
mysql-test/t/mysqldump.test:
  Auto merged
mysql-test/t/sp.test:
  Auto merged
sql/item.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged