menuitem_get_submenu
  
  Description:
  public unowned Menu menuitem_get_submenu (
Menuitem item)
  
 
  
    This grabs the submenu associated with the menuitem.
    Parameters:
    
      
        | this | A Client with the item in it. | 
      
        | item | Menuitem to get associated 
            Menu on. | 
    
    Returns:
    
      
        | The Menu if there is one. |