fixed image for anonymous

sites/all/modules/features/materio_content_types/materio_content_types.features.user_permission.inc

@@ -1151,6 +1151,7 @@ function materio_content_types_user_default_permissions() {
   $permissions['view field_materiau_image'] = array(
     'name' => 'view field_materiau_image',
     'roles' => array(
+      'anonymous user' => 'anonymous user',
       'authenticated user' => 'authenticated user',
     ),
     'module' => 'field_permissions',