Fixed undefined index

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@3267 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/include/class_mail-methods-cyrus.inc b/include/class_mail-methods-cyrus.inc
index e1becdae95add284773e002467c6e61937bc35bf..76e3908ea9b778ece293100f952ef15ef968e143 100644 (file)
--- a/include/class_mail-methods-cyrus.inc
+++ b/include/class_mail-methods-cyrus.inc
@@ -148,8 +148,10 @@ class mailMethodCyrus extends mailMethod
 
         /* Remove all acl's for this folder */
         $users= @imap_getacl ($this->mbox, $subfolder);
-        foreach ($users as $userid => $perms){
-          imap_setacl ($this->mbox, $subfolder, $userid, "");
+        if(is_array($users)){
+          foreach ($users as $userid => $perms){
+            imap_setacl ($this->mbox, $subfolder, $userid, "");
+          }
         }
       } else {
         print_red (_("Warning: imap_getacl is not implemented, can't remove acl informations."));