[Fix #442] Fix clojure-refactor keymap's definition

Author: achesnais

clojure-mode.el

@@ -226,7 +226,8 @@ Out-of-the box clojure-mode understands lein, boot and gradle."
     (define-key map (kbd "n i") #'clojure-insert-ns-form)
     (define-key map (kbd "n h") #'clojure-insert-ns-form-at-point)
     (define-key map (kbd "n u") #'clojure-update-ns)
-    (define-key map (kbd "n s") #'clojure-sort-ns))
+    (define-key map (kbd "n s") #'clojure-sort-ns)
+    map)
   "Keymap for Clojure refactoring commands.")
 (fset 'clojure-refactor-map clojure-refactor-map)