Fixed a read from a deleted brigade in the new version of

ap_rgetline()...

In the "folding" case, there was an ap_get_brigade() call after
the brigade had been destroyed.  I noticed this while debugging
a memory leak that showed up while testing the httpd with ab.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93044 13f79535-47bb-0310-9956-ffa450edef68