Fix subnav of Upvoted Comments (#1143)

app/controllers/comments_controller.rb

@@ -286,7 +286,7 @@ class CommentsController < ApplicationController
     }
 
     @title = "Upvoted Comments"
-    @saved_subnav = true
+    @above = 'saved/subnav'
 
     @page = params[:page].to_i
     if @page == 0

app/views/comments/index.html.erb

@@ -1,4 +1,4 @@
-<% render partial: 'upvoted/subnav' if @upvoted %>
+<%= render partial: @above if @above %>
 
 <ol class="comments comments1">
   <% @comments.each do |comment| %>