[O] Old org.el ending up in current tar packages?

[Adam Porter]

It seems that org.el in org-20170821.tar is out of date.  Sharon Kimble
noticed that something was wrong, and after much digging, we found that
org-clock.el has been updated to have calls to
org-time-string-to-seconds with 2 arguments, but the function definition
in org.el only takes 1 argument.

This is very strange, because the addition of the extra arg to
org-time-string-to-seconds was made back on July 7, and that introduced
a bug which was fixed in org-clock.el on August 5, yet the tarball from
August 21 has the pre-July 7 org-time-string-to-seconds function.

See
https://github.com/Fuco1/org-clock-budget/issues/5#issuecomment-324331793
for more details.