Merge r603346 from trunk:

http_protocol: Escape request method in 405 error reporting.
This has no security impact since the browser cannot be tricked
into sending arbitrary method strings.

(words from jorton)

Submitted by: trawick
Reviewed by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@604192 13f79535-47bb-0310-9956-ffa450edef68