Do not set r->content_type directly, use our ap_set_content_type API, so that...

Do not set r->content_type directly, use our ap_set_content_type API, so that output filters can properly be applied.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@321436 13f79535-47bb-0310-9956-ffa450edef68