add a note about why this module is not an HttpClient module

git-svn-id: file:///home/svn/framework3/trunk@9798 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/windows/iis/ms01_026_dbldecode.rb

@@ -15,6 +15,8 @@ require 'rex/proto/tftp'
 class Metasploit3 < Msf::Exploit::Remote
 	Rank = ExcellentRanking
 
+	# NOTE: This cannot be an HttpClient module since the resposne from the server
+	# is not a valid HttpResponse
 	include Msf::Exploit::Remote::Tcp
 	include Msf::Exploit::CmdStagerTFTP