Land #4782, MSB reference fix

In ms13_022_silverlight_script_object title.

modules/exploits/windows/browser/ms13_022_silverlight_script_object.rb

@@ -20,7 +20,7 @@ class Metasploit3 < Msf::Exploit::Remote
 
   def initialize(info={})
     super(update_info(info,
-      'Name'           => "MS12-022 Microsoft Silverlight ScriptObject Unsafe Memory Access",
+      'Name'           => "MS13-022 Microsoft Silverlight ScriptObject Unsafe Memory Access",
       'Description'    => %q{
         This module exploits a vulnerability in Microsoft Silverlight. The vulnerability exists on
         the Initialize() method from System.Windows.Browser.ScriptObject, which access memory in an