Fix the bug reference URL

Author: bbatsov

.dir-locals.el

@@ -1,6 +1,5 @@
-
 ((nil
-  (bug-reference-url-format . "https://github.com/clojure-emacs/cider/issues/%s")
+  (bug-reference-url-format . "https://github.com/clojure-emacs/clojure-mode/issues/%s")
   (indent-tabs-mode)
   (fill-column . 80)
   (checkdoc-arguments-in-order-flag))