mod_deflate:
Don't fail when asked to flush inflated data to the user-agent and that
coincides with the end of stream ("Zlib error flushing inflate buffer").
PR 56196.

Submitted By: [Christoph Fausak <christoph.fausak glueckkanja com>]
Committed By: ylavic


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1572896 13f79535-47bb-0310-9956-ffa450edef68
core: avoid a double apr_time_now() call on the first succeeding read.

git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1572905 13f79535-47bb-0310-9956-ffa450edef68
mod_deflate: follows up r1572896.
Be safe from successive or post end-of-stream flush buckets.


git-svn-id: http://svn.apache.org/repos/asf/httpd/httpd/trunk@1572911 13f79535-47bb-0310-9956-ffa450edef68