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-rw-r--r--lib/unicorn/launcher.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/unicorn/launcher.rb b/lib/unicorn/launcher.rb
index 78e8f39..bd3324e 100644
--- a/lib/unicorn/launcher.rb
+++ b/lib/unicorn/launcher.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 
 # :enddoc:
 $stdout.sync = $stderr.sync = true