Backport from HEAD:

* proxy_http.c (ap_proxy_http_process_response): Send a valid
status-line even if the parsed status-line had no trailing spaces.
Remove the warning for this case as triggers for valid status-lines
too.

PR: 23998
Reviewed by: Jeff Trawick, Bill Stoddard


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@101954 13f79535-47bb-0310-9956-ffa450edef68