Merged r21613 to 4.2-stable (#37155).

git-svn-id: https://svn.redmine.org/redmine/branches/4.2-stable@21621 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue.rb

@@ -1167,7 +1167,7 @@ class Issue < ActiveRecord::Base
     if @last_notes
       @last_notes
     else
-      journals.where.not(notes: '').reorder(:id => :desc).first.try(:notes)
+      journals.visible.where.not(notes: '').reorder(:id => :desc).first.try(:notes)
     end
   end