Merge r1744458, r1744459 from trunk:

Avoid memory allocation before making sure that this handler can handle the URL

Avoid memory allocation before making sure that this handler can handle the URL
Submitted by: jailletc36
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1748210 13f79535-47bb-0310-9956-ffa450edef68