Merge r1558483 from trunk:

follow-up to r1554161, r1554168, r1554170, r1554175, r1554188, and r1554195:

axe unnecessary initialization/pool allocation

Submitted by: trawick
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1560083 13f79535-47bb-0310-9956-ffa450edef68