Fix spelling of 'authorative' to 'authoritative' and typo in

mod_log_config.

Submitted by: Hubert Lin <hubert@mesun.me.ncu.edu.tw>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@77612 13f79535-47bb-0310-9956-ffa450edef68