If several parameters are used in a AuthzProviderAlias directive, if these...

If several parameters are used in a AuthzProviderAlias directive, if these parameters are not enclosed in quotation mark, only the first one is handled. The other ones are silently ignored.

Add a message to warn about such a spurious configuration.
PR 62469

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1834209 13f79535-47bb-0310-9956-ffa450edef68