D'oh! Redid the r->request_config stuff; since the trace is

	a string, the r->notes table is a fine place to keep it - and
	it gets maintained properly across the main and sub-requests.
	(Right, Dean?)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@78114 13f79535-47bb-0310-9956-ffa450edef68