Fixes sort parameter in reminder email links (#7963).

Contributed by Beat Jörg.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5215 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/mailer.rb

@@ -88,7 +88,7 @@ class Mailer < ActionMailer::Base
     subject l(:mail_subject_reminder, :count => issues.size, :days => days)
     body :issues => issues,
          :days => days,
-         :issues_url => url_for(:controller => 'issues', :action => 'index', :set_filter => 1, :assigned_to_id => user.id, :sort_key => 'due_date', :sort_order => 'asc')
+         :issues_url => url_for(:controller => 'issues', :action => 'index', :set_filter => 1, :assigned_to_id => user.id, :sort => 'due_date:asc')
     render_multipart('reminder', body)
   end