Merge branch '1.10.x' of https://github.com/chamilo/chamilo-lms into 1.10.x

main/inc/lib/api.lib.php

@@ -7955,8 +7955,9 @@ function api_mail_html(
     $message = str_replace(array("\n\r", "\n", "\r"), '<br />', $message);
 
     $mailView = new Template(null, false, false, false, false, false, false);
-    $mailView->assign('link', ($additionalParameters['link']) ? $additionalParameters['link'] : '');
     $mailView->assign('content', $message);
+    $link = $additionalParameters['link'];
+    $mailView->assign('link', $link);
     $layout = $mailView->get_template('mail/mail.tpl');
     $mail->Body = $mailView->fetch($layout);