Updated cache copies got an inconsistent content-length (that of the old

copy). This resulted in repeated loads from the origin server instead of
using the cached copy.

PR: 2094
Submitted by: Ernst Kloppenburg <kloppen@isr.uni-stuttgart.de>
Reviewed by: Martin Kraemer


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81281 13f79535-47bb-0310-9956-ffa450edef68