From 5cba530eef15ece440be63adb4d625018c97badc Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Sun, 11 Sep 2016 17:42:44 +0100
Subject: [PATCH] requirements/x11_requirement: fix Rubocop warnings.

---
 Library/Homebrew/requirements/x11_requirement.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/requirements/x11_requirement.rb b/Library/Homebrew/requirements/x11_requirement.rb
index d91f9d3d43..6a320401a1 100644
--- a/Library/Homebrew/requirements/x11_requirement.rb
+++ b/Library/Homebrew/requirements/x11_requirement.rb
@@ -12,7 +12,7 @@ class X11Requirement < Requirement
 
   def initialize(name = "x11", tags = [])
     @name = name
-    if /(\d\.)+\d/ === tags.first
+    if /(\d\.)+\d/ =~ tags.first
       @min_version = Version.create(tags.shift)
       @min_version_string = " #{@min_version}"
     else
@@ -33,7 +33,7 @@ class X11Requirement < Requirement
   end
 
   def <=>(other)
-    return unless X11Requirement === other
+    return unless other.is_a? X11Requirement
     min_version <=> other.min_version
   end