From 14aa1de33c5d9a9e8fdc839a347f9521360c4e9f Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Mon, 9 Jun 2014 14:56:22 -0500
Subject: [PATCH] Fix warning under Ruby 2.2

---
 Library/Homebrew/options.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/options.rb b/Library/Homebrew/options.rb
index c3b15b06ef..b9a5aaef04 100644
--- a/Library/Homebrew/options.rb
+++ b/Library/Homebrew/options.rb
@@ -16,6 +16,7 @@ class Option
   alias_method :to_str, :to_s
 
   def <=>(other)
+    return unless Option === other
     name <=> other.name
   end