From 7604ca41ff70617a605a7aabb09b128ae47ae22d Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 29 Jun 2015 10:04:33 +0000
Subject: [PATCH] fix previous commit for nil case

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/net/http/response.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/net/http/response.rb b/lib/net/http/response.rb
index 219e14e777..674faf2cfc 100644
--- a/lib/net/http/response.rb
+++ b/lib/net/http/response.rb
@@ -250,7 +250,8 @@ class Net::HTTPResponse
     return yield @socket unless @decode_content
     return yield @socket if self['content-range']
 
-    case self['content-encoding'].downcase
+    v = self['content-encoding']
+    case v && v.downcase
     when 'deflate', 'gzip', 'x-gzip' then
       self.delete 'content-encoding'