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

into  pilot.mysql.com:/home/msvensson/mysql/mysql-5.1-new-maint


client/mysqltest.c:
  Auto merged
libmysql/libmysql.c:
  Auto merged
mysql-test/extra/binlog_tests/mix_innodb_myisam_binlog.test:
  Auto merged
tests/mysql_client_test.c:
  Auto merged