update Drupal 7.19

Signed-off-by: bachy <git@g-u-i.net>

modules/image/image.module

@@ -292,7 +292,8 @@ function image_file_download($uri) {
     if ($info = image_get_info($uri)) {
       // Check the permissions of the original to grant access to this image.
       $headers = module_invoke_all('file_download', $original_uri);
-      if (!in_array(-1, $headers)) {
+      // Confirm there's at least one module granting access and none denying access.
+      if (!empty($headers) && !in_array(-1, $headers)) {
         return array(
           // Send headers describing the image's size, and MIME-type...
           'Content-Type' => $info['mime_type'],