* modules/aaa/mod_auth_digest.c: Another gcc 4 "structure field may be

* modules/aaa/mod_auth_digest.c: Another gcc 4 "structure field may be
used uninitialized" warning; fix validation of digest-uri for CONNECT
requests:

(copy_uri_components): Copy the hostinfo field.
(authenticate_digest_user): Don't pass NULL (or, previously, a random
pointer) to strcmp if a digest-uri is provided which doesn't match the
request-uri in a CONNECT request.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@193127 13f79535-47bb-0310-9956-ffa450edef68