Fixed: links to edit/delete a news broken by r4214 (#6944).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4412 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/news/show.rhtml

 <div class="contextual">
-<%= link_to_if_authorized l(:button_edit), 
-                          edit_news_path(@news),
-                          :class => 'icon icon-edit',
-                          :accesskey => accesskey(:edit),
-                          :onclick => 'Element.show("edit-news"); return false;' %>
-<%= link_to_if_authorized l(:button_delete), news_path(@news), :confirm => l(:text_are_you_sure), :method => :delete, :class => 'icon icon-del' %>
+<%= link_to(l(:button_edit), 
+      edit_news_path(@news),
+      :class => 'icon icon-edit',
+      :accesskey => accesskey(:edit),
+      :onclick => 'Element.show("edit-news"); return false;') if User.current.allowed_to?(:manage_news, @project) %>
+<%= link_to(l(:button_delete), 
+      news_path(@news),
+      :confirm => l(:text_are_you_sure),
+      :method => :delete,
+      :class => 'icon icon-del') if User.current.allowed_to?(:manage_news, @project) %>
 </div>
 
 <h2><%= avatar(@news.author, :size => "24") %><%=h @news.title %></h2>