Fix module support for controller generators #668 [Ulysses]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@691 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/lib/rails_generator/commands.rb

@@ -127,7 +127,7 @@ module Rails
 
             # If the last Module exists, check whether the given
             # class exists and raise a collision if so.
-            if last and last.const_defined?(name)
+            if last and last.const_defined?(name.camelize)
               raise_class_collision(class_name)
             end
           end