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-rw-r--r--test/exec/test_exec.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/exec/test_exec.rb b/test/exec/test_exec.rb
index 8494452..807f724 100644
--- a/test/exec/test_exec.rb
+++ b/test/exec/test_exec.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 # Don't add to this file, new tests are in Perl 5. See t/README
 FLOCK_PATH = File.expand_path(__FILE__)
 require './test/test_helper'