Backport from HEAD:

  * modules/filters/mod_deflate.c (deflate_out_filter): Destroy buckets
  immediately after they are used so that memory consumption is not
  proportional to the size of the response.

PR: 29318
Reviewed by: Jeff Trawick, Andr�� Malo


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@103868 13f79535-47bb-0310-9956-ffa450edef68