Fix author of document changes

app/models/document.rb

@@ -20,9 +20,7 @@ class Document < ActiveRecord::Base
 
   acts_as_journalized :event_title => Proc.new {|o| "#{l(:label_document)}: #{o.title}"},
       :event_url => Proc.new {|o| {:controller => 'documents', :action => 'show', :id => o.journaled_id}},
-      :event_author => (Proc.new do |o|
-        o.attachments.find(:first, :order => "#{Attachment.table_name}.created_on ASC").try(:author)
-      end)
+      :event_author => Proc.new {|o| o.user}
 
   acts_as_searchable :columns => ['title', "#{table_name}.description"], :include => :project