(update-file-autoloads): Use anchored regexp search instead of requiring

leading newline before generate-autoload-cookie, which gave false negative
if sole cookie in file was at bob.

1 files changed, 3 insertions, 2 deletions

diff --git a/lisp/emacs-lisp/autoload.el b/lisp/emacs-lisp/autoload.el
index 986cb74661c..adc8b6fb224 100644
--- a/lisp/emacs-lisp/autoload.el
+++ b/lisp/emacs-lisp/autoload.el
@@ -376,8 +376,9 @@ Autoload section for %s is up to date."
                          (widen)
                          (goto-char (point-min))
                          (prog1
-                             (if (search-forward
-                                  (concat "\n" generate-autoload-cookie)
+                             (if (re-search-forward
+                                  (concat "^" (regexp-quote
+                                               generate-autoload-cookie))
                                   nil t)
                                  nil
                                (if (interactive-p)