Merged r11869 from trunk (#12888).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@11999 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/mailer/issue_edit.html.erb

@@ -1,3 +1,6 @@
+<% if @journal.private_notes? %>
+  (<%= l(:field_private_notes) %>)
+<% end %>
 <%= l(:text_issue_updated, :id => "##{@issue.id}", :author => h(@journal.user)) %>
 
 <ul>

app/views/mailer/issue_edit.text.erb

@@ -1,4 +1,4 @@
-<%= l(:text_issue_updated, :id => "##{@issue.id}", :author => @journal.user) %>
+<%= "(#{l(:field_private_notes)}) " if @journal.private_notes? -%><%= l(:text_issue_updated, :id => "##{@issue.id}", :author => @journal.user) %>
 
 <% details_to_strings(@journal.details, true).each do |string| -%>
 <%= string %>