* ext/psych/lib/psych/deprecated.rb: requiring 'date' for backwards

compatibility. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27314 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-04-11 19:05:53 +00:00 · 2010-04-11 19:05:53 +00:00 · 3a1c0be67f
--- a/ext/psych/lib/psych/deprecated.rb
+++ b/ext/psych/lib/psych/deprecated.rb
@ -1,3 +1,5 @@
+require 'date'
+
 module Psych
  module DeprecatedMethods # :nodoc:
    attr_accessor :taguri