Need hook in menu_block_get_config

We need to select different menus based on fairly odd criteria, such as host name. To achieve this we have added the following hook invokation to the end of the menu_block_get_config function:

function menu_block_get_config($delta = NULL) {
  :
  :
  $altered_config = module_invoke_all('menu_block_config_alter', $config);
  if ($altered_config)
    $config = $altered_config;
  
  return $config;
}

It would be great if this could be incorporated into menu_blocks.