Ticket #21153: 21153.patch

wp-includes/link-template.php

@@ -2012 +2012 @@
 */
 function content_url($path = '') {
         $url = WP_CONTENT_URL;
-        if ( 0 === strpos($url, 'http') && is_ssl() )
-                $url = str_replace( 'http://', 'https://', $url );
+        $url = str_replace( " https://", "//", $url)
+        $url = str_replace( " http://", "//", $url)
 
         if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
                 $url .= '/' . ltrim($path, '/');