fixed a couple of typos

prelude-core.el

@@ -323,7 +323,7 @@ there's a region, all lines that region covers will be duplicated."
   (interactive)
   (prelude-indent-buffer)
   (prelude-untabify-buffer)
-  (prelude-delete-trailing-whitespace))
+  (delete-trailing-whitespace))
 
 (defun prelude-eval-and-replace ()
   "Replace the preceding sexp with its value."

prelude-global-keybindings.el

@@ -39,7 +39,7 @@
 (global-set-key (kbd "C-x \\") 'align-regexp)
 
 ;; Perform general cleanup.
-(global-set-key (kbd "C-c n") 'cleanup-buffer)
+(global-set-key (kbd "C-c n") 'prelude-cleanup-buffer)
 
 ;; Font size
 (define-key global-map (kbd "C-+") 'text-scale-increase)