* class.c (rb_scan_args), include/ruby/ruby.h (rb_scan_args_set):
  return non-keywords elements only in the last hash when keyword
  arguments are extracted from it, as well as methods defined in
  ruby level.  [ruby-core:82427] [Bug #13830]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59626 b2dd03c8-39d4-4d8f-98ff-823fe69b080e