Fix document title when viewing other users' favorites

app/controllers/favorites_controller.rb

@@ -7,6 +7,7 @@ class FavoritesController < ApplicationController
       redirect_to(posts_path(:tags => params[:tags]))
     else
       user_id = params[:user_id] || CurrentUser.user.id
+      @user = User.find(user_id)
       @favorite_set = PostSets::Favorite.new(user_id, params[:page], params)
       respond_with(@favorite_set.posts) do |format|
         format.xml do

app/views/favorites/index.html.erb

@@ -25,7 +25,7 @@
     </section>
 
     <% content_for(:page_title) do %>
-      Favorites - <%= CurrentUser.name %> - <%= Danbooru.config.app_name %>
+      Favorites - <%= @user.pretty_name %> - <%= Danbooru.config.app_name %>
     <% end %>
 
     <%= render "posts/partials/common/secondary_links" %>