"//Silence is golden." index.php files missing in some export directories

[nicwinn]

Even though index.php files exist on my live site, the exported zip file does not include those in these directories.

1. /wp-content/
2. /wp-content/mu-plugins/
3. /wp-content/plugins/
4. /wp-content/themes/

It does, however, include one at: /wp-content/uploads/

This makes it difficult to move the wp-content directory around.