pass uid to notofication system so securemail addon can pick it up

mod/lostpass.php

@@ -69,6 +69,7 @@ function lostpass_post(App $a)
 	notification([
 		'type'     => SYSTEM_EMAIL,
 		'to_email' => $user['email'],
+		'uid'      => $user['uid'],
 		'subject'  => L10n::t('Password reset requested at %s', $sitename),
 		'preamble' => $preamble,
 		'body'     => $body