merged addendum to bug 39920 to 5.1-bugteam

[MYSQL]

post_commit_to = "commits@lists.mysql.com"

post_push_to = "commits@lists.mysql.com"

tree_name = "mysql-5.1"

tree_name = "mysql-5.1-bugteam"

362793610	1981-07-01 04:00:00

select from_unixtime(362793609);

from_unixtime(362793609)

1981-07-01 03:59:60

1981-07-01 03:59:59

drop table t1;

create table t1 (ts timestamp);

set time_zone='UTC';