message-do-auto-fill: braino. Use `unless', not `when'.

diff --git a/lisp/message.el b/lisp/message.el
index 0998d59..5bc3632 100644 (file)
--- a/lisp/message.el
+++ b/lisp/message.el
@@ -2020,7 +2020,7 @@ Prefix arg means justify as well."
 
 (defun message-do-auto-fill ()
   "Like `do-auto-fill', but don't fill in message header."
-  (when (message-point-in-header-p)
+  (unless (message-point-in-header-p)
     (do-auto-fill)))
 
 (defun message-insert-signature (&optional force)