* lib/cgi/cookie.rb(CGI::Cookie.parse): add require

for standalone require 'cgi/cookie' .[Bug #7997]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40362 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/cgi/cookie.rb

@@ -1,3 +1,4 @@
+require 'cgi/util'
 class CGI
   @@accept_charset="UTF-8" unless defined?(@@accept_charset)
   # Class representing an HTTP cookie.