Fix indentation in model generator migration template. Closes #8577 [Josh Peek]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6939 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/lib/rails_generator/generators/components/model/templates/migration.rb

@@ -4,7 +4,7 @@ class <%= migration_name %> < ActiveRecord::Migration
 <% for  attribute in attributes -%>
       t.<%= attribute.type %> :<%= attribute.name %>
 <% end  -%>
-    t.timestamps 
+      t.timestamps 
     end
   end