Use references variable

Feedback: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/8620#note_22020035

Use references variable
849d09cf · Lin Jen-Shin · f30e2a6e · 849d09cf
Commit 849d09cf authored Feb 03, 2017 by Lin Jen-Shin
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receiver.rb lib/gitlab/email/receiver.rb +3 -1

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--- a/lib/gitlab/email/receiver.rb
+++ b/lib/gitlab/email/receiver.rb
@@ -56,7 +56,9 @@ module Gitlab
      end

      def key_from_additional_headers(mail)
-        find_key_from_references(ensure_references_array(mail.references))
+        references = ensure_references_array(mail.references)
+
+        find_key_from_references(references)
      end

      def ensure_references_array(references)