Sort the rspec support files for older rubies

Author: aetherknight

spec/spec_helper.rb

@@ -12,7 +12,7 @@
 
 # Requires supporting files with custom matchers and macros, etc,
 # in ./support/ and its subdirectories.
-Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each { |f| require f }
+Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].sort.each { |f| require f }
 
 RSpec.configure do |config|
   config.run_all_when_everything_filtered = true