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-rw-r--r--plugins/kolab_addressbook/lib/rcube_kolab_contacts.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/kolab_addressbook/lib/rcube_kolab_contacts.php b/plugins/kolab_addressbook/lib/rcube_kolab_contacts.php
index 4baef45..365e251 100644
--- a/plugins/kolab_addressbook/lib/rcube_kolab_contacts.php
+++ b/plugins/kolab_addressbook/lib/rcube_kolab_contacts.php
@@ -933,7 +933,7 @@ class rcube_kolab_contacts extends rcube_addressbook
*
* @return boolean True if input is valid, False if not.
*/
- public function validate($save_data)
+ public function validate(&$save_data)
{
// validate e-mail addresses
$valid = parent::validate($save_data);