fix parameter missing warning

diff --git a/lib/preview.php b/lib/preview.php
index 164ad10ba5ff603a0d7fcbb4197ec48415920218..b40ba191fbae27eb1b36444bc29eea543038568d 100755 (executable)
--- a/lib/preview.php
+++ b/lib/preview.php
@@ -570,7 +570,7 @@ class Preview {
         */
        private static function initProviders() {
                if(!\OC_Config::getValue('enable_previews', true)) {
-                       $provider = new Preview\Unknown();
+                       $provider = new Preview\Unknown(array());
                        self::$providers = array($provider->getMimeType() => $provider);
                        return;
                }