From bb4f5910c969843f67385088be72055aeeba8c90 Mon Sep 17 00:00:00 2001
From: Parker Moore <parkrmoore@gmail.com>
Date: Sat, 9 Jan 2016 18:04:13 -0800
Subject: [PATCH] document: don't cache @output_ext

Fixes race issue.
Will introduce perf issues, though...
---
 lib/jekyll/document.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/jekyll/document.rb b/lib/jekyll/document.rb
index c3fff329..911cb4e6 100644
--- a/lib/jekyll/document.rb
+++ b/lib/jekyll/document.rb
@@ -89,7 +89,7 @@ module Jekyll
     #
     # Returns the output extension
     def output_ext
-      @output_ext ||= Jekyll::Renderer.new(site, self).output_ext
+      Jekyll::Renderer.new(site, self).output_ext
     end
 
     # The base filename of the document, without the file extname.