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-rw-r--r--app/models/custom_field_enumeration.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/app/models/custom_field_enumeration.rb b/app/models/custom_field_enumeration.rb
index 125cd41b0..75c7187dc 100644
--- a/app/models/custom_field_enumeration.rb
+++ b/app/models/custom_field_enumeration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
# Redmine - project management software
# Copyright (C) 2006-2017 Jean-Philippe Lang
#