Clean up spacing to pass Emacs's pre-commit check

* lisp/org-agenda.el (org-agenda-todo): Avoid space before tab in
indent.

This is in preparation for syncing with the Emacs repo.

lisp/org-agenda.el

@@ -9342,7 +9342,7 @@ the same tree node, and the headline of the tree node in the Org file."
        (save-window-excursion
 	 (org-agenda-change-all-lines newhead hdmarker 'fixface just-one))
        (when (bound-and-true-p org-clock-out-when-done)
-      	 (string-match (concat "^" (regexp-opt org-done-keywords-for-agenda))
+	 (string-match (concat "^" (regexp-opt org-done-keywords-for-agenda))
 		       newhead)
 	 (org-agenda-unmark-clocking-task))
        (org-move-to-column col)