use wp_lostpassword_url() in wp-login.php

[ramiy]

related: #18808

use wp_lostpassword_url() instead of using site_url( 'wp-login.php?action=lostpassword' ) in wp-login.php.

wp_lostpassword_url() & wp_login_url()

In [19281]:

Use wp_login_url() where possible in wp-login.php. props ramiy for initial patch. Escape with a tin foil hat. fixes #19199.

We can't use wp_lostpassword_url() in that one spot because the protocol is login_post, rather than login.

Replying to nacin:

We can't use wp_lostpassword_url() in that one spot because the protocol is login_post, rather than login.

you are right, now i see that.