Mailer#url_for not called in views with Rails 3.1.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9023 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/mailer/message_posted.html.erb

@@ -1,4 +1,4 @@
 <h1><%=h @message.board.project.name %> - <%=h @message.board.name %>: <%= link_to(h(@message.subject), @message_url) %></h1>
 <em><%=h @message.author %></em>
 
-<%= textilizable(@message, :content) %>
+<%= textilizable(@message, :content, :only_path => false) %>