Fixed a bug with the HEAD stuff

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@61 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/cgi_process.rb

@@ -108,7 +108,7 @@ def out
       $stdout.sync = false
       print @cgi.header(@headers)
 
-      if @cgi.head?
+      if @cgi.send(:env_table)['REQUEST_METHOD'] == 'HEAD'
         return
       elsif @body.respond_to?(:call)
         @body.call(self)