lib/cmath.rb: Specify frozen_string_literal: true.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57264 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-04 05:47:52 +00:00 · 2017-01-04 05:47:52 +00:00 · aa5ff4a43a
--- a/lib/cmath.rb
+++ b/lib/cmath.rb
@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 ##
 # = Trigonometric and transcendental functions for complex numbers.
 #
--- a/test/test_cmath.rb
+++ b/test/test_cmath.rb
@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'test/unit'
 require 'cmath'