Record the fact that we failed to set the username as requested.

This is useful to know as the most likely cause will be a misconfiguration
and so should be easily fixed, but to be fixed it's helpful if you're
aware it needs fixed!



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@279893 13f79535-47bb-0310-9956-ffa450edef68

modules/ssl/ssl_engine_kernel.c

@@ -753,6 +753,9 @@ int ssl_hook_Access(request_rec *r)
                                    r, (char *)dc->szUserName);
         if (val && val[0])
             r->user = val;
+        else
+            ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r,
+                          "Failed to set r->user to '%s'", dc->szUserName);
     } 
 
     /*