Merged r13807.

git-svn-id: http://svn.redmine.org/redmine/branches/2.6-stable@13808 e93f8b46-1217-0410-a6f0-8f06a7374b81
Reverts r13805 (#18679).

git-svn-id: http://svn.redmine.org/redmine/branches/2.6-stable@13809 e93f8b46-1217-0410-a6f0-8f06a7374b81