fixes #733

app/controllers/favorites_controller.rb

@@ -19,6 +19,7 @@ class FavoritesController < ApplicationController
   end
   
   def destroy
-    Post.find(params[:id]).remove_favorite!(CurrentUser.user)
+    @post = Post.find(params[:id])
+    @post.remove_favorite!(CurrentUser.user)
   end
 end

app/views/favorites/destroy.js.erb

@@ -1,2 +1,3 @@
 $("a#add-to-favorites").show();
 $("a#remove-from-favorites").hide();
+$("#score-for-post-<%= @post.id %>").html(<%= @post.score %>);