Clean up message-sort-headers code slightly

* lisp/gnus/message.el (message-sort-headers): Simplify code by
removing always-true `if' statement.

1 files changed, 6 insertions, 9 deletions

diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index 8a3967f3461..90d8a744dec 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -2732,20 +2732,17 @@ Point is left at the beginning of the narrowed-to region."
   (interactive nil message-mode)
   (save-excursion
     (save-restriction
-      (let ((max (1+ (length message-header-format-alist)))
-            rank)
+      (let ((max (1+ (length message-header-format-alist))))
         (message-narrow-to-headers)
         (while (re-search-forward "^[^ \n]+:" nil t)
           (put-text-property
            (match-beginning 0) (1+ (match-beginning 0))
            'message-rank
-           (if (setq rank (length (memq (assq (intern (buffer-substring
-                                                       (match-beginning 0)
-                                                       (1- (match-end 0))))
-                                              message-header-format-alist)
-                                        message-header-format-alist)))
-               (- max rank)
-             (1+ max)))))
+           (- max (length
+                   (memq (assq (intern (buffer-substring
+                                        (match-beginning 0) (1- (match-end 0))))
+                               message-header-format-alist)
+                         message-header-format-alist))))))
       (message-sort-headers-1))))
 
 (defun message-kill-address ()