(display-color-cells): Use tty-display-color-cells.

diff --git a/lisp/frame.el b/lisp/frame.el
index faa7054c0b9a552cb546236d6f0659a9bf4bcc1d..b161a8119aeaf1fae6d7e38e54c0a7777fbea11c 100644 (file)
--- a/lisp/frame.el
+++ b/lisp/frame.el
@@ -1044,7 +1044,7 @@ the question is inapplicable to a certain kind of display."
      ((eq frame-type 'pc)
       16)
      (t
-      (length (tty-color-alist))))))
+      (tty-display-color-cells)))))
 
 (defun display-visual-class (&optional display)
   "Returns the visual class of DISPLAY.