* lisp/tooltip.el: Fix warning when built on a non-Haiku system.

diff --git a/lisp/tooltip.el b/lisp/tooltip.el
index af6f456d7b5b63dee46bfb88c6a01decd03f18fe..a6392877144fad7c4c9a43a061931c25f61eb4f6 100644 (file)
--- a/lisp/tooltip.el
+++ b/lisp/tooltip.el
@@ -339,6 +339,8 @@ This is used by `tooltip-show-help' and
 (defvar tooltip-previous-message nil
   "The previous content of the echo area.")
 
+(defvar haiku-use-system-tooltips)
+
 (defun tooltip-show-help-non-mode (help)
   "Function installed as `show-help-function' when Tooltip mode is off.
 It is also called if Tooltip mode is on, for text-only displays."