Merged r4307 from trunk.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/1.0-stable@4341 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/versions/show.rhtml

@@ -1,5 +1,6 @@
 <div class="contextual">
 <%= link_to_if_authorized l(:button_edit), {:controller => 'versions', :action => 'edit', :id => @version}, :class => 'icon icon-edit' %>
+<%= link_to_if_authorized(l(:button_edit_associated_wikipage, :page_title => @version.wiki_page_title), {:controller => 'wiki', :action => 'edit', :id => @version.project, :page => Wiki.titleize(@version.wiki_page_title)}, :class => 'icon icon-edit') unless @version.wiki_page_title.blank? || @version.project.wiki.nil? %>
 <%= call_hook(:view_versions_show_contextual, { :version => @version, :project => @project }) %>
 </div>