Fix uninitialized error.

src/http/ngx_http_request.c

@@ -1881,7 +1881,7 @@ ngx_http_process_request(ngx_http_request_t *r)
                           "client sent plain HTTP request to HTTPS port");
             // Connect 443 port to HTTP = Terminate
             // ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
-            ngx_http_terminate_request(r, rc);
+            ngx_http_terminate_request(r, 0);
             return;
         }