Fix has_many :through

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3227 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/associations/has_many_through_association.rb

@@ -37,6 +37,7 @@ def method_missing(method, *args, &block)
             
         def find_target
           @reflection.klass.find(:all, 
+            :select     => "#{@reflection.table_name}.*",
             :conditions => construct_conditions,
             :from       => construct_from,
             :order      => @reflection.options[:order],