Fix auto-indent for 1.times do

Fixes #47

Author: mame

lib/irb/ruby-lex.rb

@@ -336,7 +336,7 @@ def check_newline_depth_difference
         next if index > 0 and @tokens[index - 1][3].allbits?(Ripper::EXPR_FNAME)
         case t[2]
         when 'do'
-          if index > 0 and @tokens[index - 1][3].anybits?(Ripper::EXPR_CMDARG | Ripper::EXPR_ENDFN)
+          if index > 0 and @tokens[index - 1][3].anybits?(Ripper::EXPR_CMDARG | Ripper::EXPR_ENDFN | Ripper::EXPR_ARG)
             # method_with_block do; end
             depth_difference += 1
           else