Some of the <...> directives allow multiple arguments, some don't.

Those who don't accept multiple arguments to <...> block directives
return an error message now.
Reviewed by:	Martin +1, Brian +1, Dean +1


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79431 13f79535-47bb-0310-9956-ffa450edef68