From 6011fa5956993190cf1bc4854d84117ab8369101 Mon Sep 17 00:00:00 2001
From: "yuuji.yaginuma" <yuuji.yaginuma@gmail.com>
Date: Fri, 9 Jun 2017 08:01:27 +0900
Subject: [PATCH] Fix ruby warning

This fixes following warning:

```
gems/sass-rails-5.0.6/lib/sass/rails/helpers.rb:6: warning: method redefined; discarding old asset_data_url
gems/sprockets-3.7.1/lib/sprockets/sass_processor.rb:253: warning: previous definition of asset_data_url was here
```
---
 lib/sass/rails/helpers.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/sass/rails/helpers.rb b/lib/sass/rails/helpers.rb
index bc5a6cb..6ff3fa0 100644
--- a/lib/sass/rails/helpers.rb
+++ b/lib/sass/rails/helpers.rb
@@ -3,6 +3,7 @@
 
 module Sprockets
   module SassFunctions
+    remove_method :asset_data_url if method_defined?(:asset_data_url)
     def asset_data_url(path)
       Sass::Script::String.new("url(" + sprockets_context.asset_data_uri(path.value) + ")")
     end