Fix mg_http_send_redirect doc

PUBLISHED_FROM=77cd3df9959b0e3a2550d1581586e69878bbee0d

docs/c-api/http_server.h/mg_http_send_redirect.md

@@ -13,12 +13,8 @@ Sends a redirect response.
 new location.
 If `extra_headers` is not empty, then `extra_headers` are also sent
 after the reponse line. `extra_headers` must NOT end end with new line.
-Example:
-
-     mg_send_response_line(nc, 200, "Access-Control-Allow-Origin: *");
 
-Will result in:
+Example:
 
-     HTTP/1.1 200 OK\r\n
-     Access-Control-Allow-Origin: *\r\n 
+     mg_http_send_redirect(nc, 302, mg_mk_str("/login"), mg_mk_str(NULL)); 
 

mongoose.h

@@ -2814,14 +2814,10 @@ void mg_send_response_line(struct mg_connection *nc, int status_code,
  * new location.
  * If `extra_headers` is not empty, then `extra_headers` are also sent
  * after the reponse line. `extra_headers` must NOT end end with new line.
- * Example:
- *
- *      mg_send_response_line(nc, 200, "Access-Control-Allow-Origin: *");
  *
- * Will result in:
+ * Example:
  *
- *      HTTP/1.1 200 OK\r\n
- *      Access-Control-Allow-Origin: *\r\n
+ *      mg_http_send_redirect(nc, 302, mg_mk_str("/login"), mg_mk_str(NULL));
  */
 void mg_http_send_redirect(struct mg_connection *nc, int status_code,
                            const struct mg_str location,