temp fix for filter ordering: +1 on the core filter's type.

bug fix in chunk_filter(): it was creating the wrong-size bucket.

chunking now appears to be working (without using BUFF).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86092 13f79535-47bb-0310-9956-ffa450edef68