Merge r635953 from trunk:

PR 43562.
fix regression in mod_speling behavior from 1.3/2.0
and, basically, incorrect behavior from what is
expected as well as dependency on AcceptPathInfo.

Reviewed by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@649120 13f79535-47bb-0310-9956-ffa450edef68