tbb: fix code position (#3135)

Formula/tbb.rb

@@ -2,8 +2,8 @@ class Tbb < Formula
   desc "Rich and complete approach to parallelism in C++"
   homepage "https://www.threadingbuildingblocks.org/"
   url "https://www.threadingbuildingblocks.org/sites/default/files/software_releases/source/tbb44_20160128oss_src_0.tgz"
-  sha256 "8d256bf13aef1b0726483af9f955918f04e3de4ebbf6908aa1b0c94cbe784ad7"
   version "4.4-20160128"
+  sha256 "8d256bf13aef1b0726483af9f955918f04e3de4ebbf6908aa1b0c94cbe784ad7"
 
   bottle do
     cellar :any
@@ -12,12 +12,12 @@ class Tbb < Formula
     sha256 "33d6f509064574263767772e3563a1466e4a9c2208b94ae74ef51f1bae694b32" => :mavericks
   end
 
+  option :cxx11
+
   # requires malloc features first introduced in Lion
   # https://github.com/Homebrew/homebrew/issues/32274
   depends_on :macos => :lion
 
-  option :cxx11
-
   def install
     # Intel sets varying O levels on each compile command.
     ENV.no_optimization