Add rubyforge project, not sure if this is still needed?

Author: metaskills

activerecord-sqlserver-adapter.gemspec

@@ -15,6 +15,7 @@ Gem::Specification.new do |s|
   s.has_rdoc      = true
   s.extra_rdoc_files = ['README.rdoc']
   s.rdoc_options.concat ['--main',  'README.rdoc']
+  s.rubyforge_project = 'activerecord-sqlserver-adapter'
 
   s.add_dependency('activerecord', '~> 3.0')
 end