* Do an exact match of the keys defined by CacheIgnoreURLSessionIdentifiers

  against the querystring instead of a partial match.

PR: 48401
Submitted by: Dodou Wang <wangdong.08 gmail.com>
Reviewed by: rpluem


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@892289 13f79535-47bb-0310-9956-ffa450edef68