* lib/rubygems: Update to RubyGems HEAD(c202db2).

this version contains many enhancements see http://git.io/vtNwF
* test/rubygems: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rubygems/package/old.rb

@@ -18,14 +18,14 @@ class Gem::Package::Old < Gem::Package
   # Creates a new old-format package reader for +gem+.  Old-format packages
   # cannot be written.
 
-  def initialize gem
+  def initialize gem, security_policy
     require 'fileutils'
     require 'zlib'
     Gem.load_yaml
 
     @contents        = nil
     @gem             = gem
-    @security_policy = nil
+    @security_policy = security_policy
     @spec            = nil
   end