added license info

L1ghtn1ng · L1ghtn1ng · commit 1b493d0e4ca6 · 2013-03-07T00:16:26.000Z
diff --git a/modules/auxiliary/admin/natpmp/natpmp_map.rb b/modules/auxiliary/admin/natpmp/natpmp_map.rb
@@ -1,3 +1,10 @@
+##
+# This file is part of the Metasploit Framework and may be subject to
+# redistribution and commercial restrictions. Please see the Metasploit
+# web site for more information on licensing and terms of use.
+# http://metasploit.com/
+##
+
 require 'msf/core'
 require 'rex/proto/natpmp'
 
