Look at the commit in between those two. It looks like someone reverted the first merge and then re-did it.

On Thu, Nov 13, 2014 at 7:39 AM, Dani Moncayo <dmoncayo@gmail.com> wrote:

And I don't see more cases like these. But note that there are two
different commits with the same message:

Merge from emacs-24; up to 117669