Merge r833738, r834006, r834013, r834500 from trunk:

mod_log_config: Make ${cookie}C correctly match whole cookie names
instead of substrings.

Submitted by: Dan Franklin <dan dan-franklin.com>, Stefan Fritsch

Simplify code by using apr_strtok

Also remove trailing whitespace in the value

fix off by one error
PR: 28037

Reviewed by: sf, jim, rpluem


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@988403 13f79535-47bb-0310-9956-ffa450edef68