fix redirection after a comment has been added.

svn path=/plone.app.discussion/trunk/; revision=30986

plone/app/discussion/browser/comments.py

@@ -212,7 +212,7 @@ class CommentForm(extensible.ExtensibleForm, form.Form):
             else:
                 # Redirect to comment (inside a content object page)
                 self.request.response.redirect(
-                    aq_parent(aq_inner(self.context)).absolute_url() +
+                    aq_parent(aq_inner(self.context)).absolute_url() + \
                     '#' + str(comment_id))
 
     @button.buttonAndHandler(_(u"Cancel"))