Merge branch...

Merge branch '5815-dans-le-plug-in-audit-quand-je-clique-sur-une-ligne-du-type-fake-dn-j-obtiens-un-erreur-php' into '1.3-dev'

Resolve "Dans le plug-in audit, quand je clique sur une ligne du type "fake-dn" j'obtiens un erreur PHP"

See merge request fusiondirectory/fd-plugins!221

audit/admin/audit/class_auditEvent.inc

@@ -37,7 +37,11 @@ class UserLinkAttribute extends DisplayLDAPAttribute
 {
   function renderFormInput ()
   {
-    return objects::link($this->value, 'user');
+    try {
+      return objects::link($this->value, 'user');
+    } catch (NonExistingLdapNodeException $e) {
+      return '<a><img src="geticon.php?context=status&amp;icon=dialog-warning&amp;size=16" alt="warning" class="center"/>&nbsp;'.sprintf(_('Unknown user: %s'), $this->value).'</a>';
+    }
   }
 }