Use of reverse_proxy_addresses in settings.php throws Strict Standards warning in bootstrap.inc

My environment has Varnish sitting in front of Apache with E_STRICT enabled. Because of my environment I have set the keys reverse_proxy and reverse_proxy_addresses of the $conf array in settings.php:

$conf = array(
   'reverse_proxy' => TRUE,
   'reverse_proxy_addresses' => array('127.0.0.1'),
);

From once this has been changed, every page load will print the following:

Strict Standards: Only variables should be passed by reference in /home/smales/drupal/html/includes/bootstrap.inc on line 1203

The problem is explode() being passed into array_pop(). The site still performs as expected apart from the warning. My suggestion is to assign the exploded array to a variable and pass that variable to array_pop().

The attached code is an Subversion diff, but the change is obvious.