Remove autoload for RipperStateLex

Author: aycabta

lib/rdoc.rb

@@ -146,7 +146,6 @@ def self.load_yaml
 
   autoload :KNOWN_CLASSES,  'rdoc/known_classes'
 
-  autoload :RipperStateLex, 'rdoc/parser/ripper_state_lex'
   autoload :TokenStream,    'rdoc/token_stream'
 
   autoload :Comment,        'rdoc/comment'

lib/rdoc/parser/ruby.rb

@@ -141,6 +141,7 @@
 # standard rdocable item following it.
 
 require 'ripper'
+require_relative 'ripper_state_lex'
 
 class RDoc::Parser::Ruby < RDoc::Parser