Add CHANGES for r1628104.
(mod_substitue: Fix memory limitation in case of
regexp plus flatten.)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1628918 13f79535-47bb-0310-9956-ffa450edef68
mod_substitute: Make maximum line length configurable.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1628919 13f79535-47bb-0310-9956-ffa450edef68