this value was ignored in favour of the current time. This meant
that Date headers on proxied requests where rewritten when they
should not have been.
PR:		14376
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@99370 13f79535-47bb-0310-9956-ffa450edef68