Patch meterpreter scripts to work again

lib/rex/script/meterpreter.rb

@@ -4,17 +4,24 @@ module Rex
 module Script
 class Meterpreter < Base
 
-begin
-  include Msf::Post::Windows::Priv
-  include Msf::Post::Windows::Eventlog
-  include Msf::Post::Common
-  include Msf::Post::Windows::Registry
-  include Msf::Post::File
-  include Msf::Post::Windows::Services
-  include Msf::Post::Windows::Accounts
-rescue ::LoadError
-end
+  begin
+    include Msf::Post::Windows::Priv
+    include Msf::Post::Windows::Eventlog
+    include Msf::Post::Common
+    include Msf::Post::Windows::Registry
+    include Msf::Post::File
+    include Msf::Post::Windows::Services
+    include Msf::Post::Windows::Accounts
+  rescue ::LoadError
+  end
 
+  def initialize(client, path)
+    # The mixins for `Msf::Post::*` now assume a single info argument is present,
+    # whilst `::Rex::Script::Base` assumes client and path are provided. Directly call
+    # the `::Rex::Script::Base` initialize method for now. In the future Rex scripts
+    # will need to be migrated to use post modules
+    ::Rex::Script::Base.instance_method(:initialize).bind(self).call(client, path)
+  end
 end
 end
 end