find_types() shouldn't be called if we just found a matching

ProxyPass directive and set handler to 'proxy-server', because
find_types() resets r->handler if we have an other
handler (server-info, server-parsed, etc.) that will be invoked
on the URI from the request.

PR:		870
Submitted by:	Lars Eilebrecht
Reviewed by:	Dean Gaudet, Martin Kraemer


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79535 13f79535-47bb-0310-9956-ffa450edef68