Add notes about memory leaks found by David Harris.  It's
	unclear (to me, at least) how severe they are, but the
	module counters are involved and long-running servers with regularly
	scheduled restarts *could* be vulnerable..?


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@83594 13f79535-47bb-0310-9956-ffa450edef68