Merge pull request #4829 from JediKev/issue/sendAccessLink-on-null-v111

issue: sendAccessLink On NULL v1.11

include/class.mailer.php

@@ -406,6 +406,8 @@ class Mailer {
         if (!is_array($recipients) && (!$recipients instanceof MailingList))
             $recipients =  array($recipients);
         foreach ($recipients as $recipient) {
+            if ($recipient instanceof ClientSession)
+                $recipient = $recipient->getSessionUser();
             switch (true) {
                 case $recipient instanceof EmailRecipient:
                     $addr = sprintf('"%s" <%s>',

include/class.usersession.php

@@ -123,6 +123,10 @@ class ClientSession extends EndUser {
         $this->session= new UserSession($user->getId());
     }
 
+    function getSessionUser() {
+        return $this->user;
+    }
+
     function isValid(){
         global $_SESSION,$cfg;