Add builtin/ to the gemspec. Closes #3047.

git-svn-id: http://svn-commit.rubyonrails.org/rails/branches/stable@3224 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

 *SVN*
 
+* Add builtin/ to the gemspec. Closes #3047. [Nicholas Seckar, Sam Stephenson]
+
 * Run initialize_logger in script/lighttpd to ensure the log file exists before tailing it. [Sam Stephenson]
 
 * Make load_fixtures include csv fixtures. #3053. [me@mdaines.com]

railties/Rakefile

@@ -252,6 +252,7 @@ end
 PKG_FILES = FileList[
   '[a-zA-Z]*',
   'bin/**/*', 
+  'builtin/**/*',
   'configs/**/*', 
   'doc/**/*', 
   'dispatches/**/*',