* Use the query string stored in r->parsed_uri.query instead of r->args

  as r->args could have been changed (e.g. via mod_rewrite) after the quick
  handler hook. This causes resources to be stored under a key, where they
  cannot be fetched again in the quick handler.

PR: 40805


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@476625 13f79535-47bb-0310-9956-ffa450edef68