Merge r1839303, r1843290 from trunk:

These need to be signed longs... cast as needed.


Add CHANGES entry
Submitted by: jim, jailletc36
Reviewed by: jailletc36 (by inspection), ylavic, jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1843467 13f79535-47bb-0310-9956-ffa450edef68