PR#44001 AuthDigestEnableQueryStringHack unnecessary for MSIE7.

Reported by: Takashi Sato <serai lans-tv.com>
Confirmed by: Vincent Jong <megaspaz tron.megaspaz.net> & noodl


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@600245 13f79535-47bb-0310-9956-ffa450edef68