cmockery: use patch DSL

Formula/cmockery.rb

@@ -5,12 +5,10 @@ class Cmockery < Formula
   url 'https://cmockery.googlecode.com/files/cmockery-0.1.2.tar.gz'
   sha1 '964ed1104a0cbbea8a9a34e88c6e79b546eff1bc'
 
-  def patches
-    # This patch will be integrated upstream in 0.1.3, this is due to malloc.h being already in stdlib on OSX
-    # It is safe to remove it on the next version
-    # More info on http://code.google.com/p/cmockery/issues/detail?id=3
-    DATA
-  end
+  # This patch will be integrated upstream in 0.1.3, this is due to malloc.h being already in stdlib on OSX
+  # It is safe to remove it on the next version
+  # More info on http://code.google.com/p/cmockery/issues/detail?id=3
+  patch :DATA
 
   def install
     system "./configure", "--prefix=#{prefix}"