allways show version buttons when watching a version - even the current one

app/views/wiki/show.html.erb

@@ -87,7 +87,8 @@ See doc/COPYRIGHT.rdoc for more details.
 
 
 <% breadcrumb_paths(*(@page.ancestors.reverse.collect {|parent| link_to h(parent.breadcrumb_title), {id: parent, project_id: parent.project}} + [h(@page.breadcrumb_title)])) %>
-<% if @content.version != @page.content.version %>
+
+<% if params[:version] %>
   <hr />
   <div class="wiki-version--details">
     <div>
@@ -99,6 +100,7 @@ See doc/COPYRIGHT.rdoc for more details.
     <hr />
   </div>
 <% end %>
+
 <%= render(partial: "wiki/content", locals: {content: @content}) %>
 <%= link_to_attachments @page %>
 <% if @editable && authorize_for('wiki', 'add_attachment') %>