Fix model field naming

vendor/built_in_modules/announcement/app/models/bulletin.rb

@@ -42,7 +42,7 @@ class Bulletin
   
   field :public, :type => Boolean, :default => true
   field :rss_link
-  field :rss_resource
+  field :rss_source
   
   scope :can_display, where(is_checked: true, is_rejected: false, is_pending: false)
   scope :available_for_lang, ->(locale){ where("available_for_#{locale}".to_sym => true) }