1 files changed, 3 insertions, 0 deletions

diff --git a/src/macterm.h b/src/macterm.h
index 03016f30e0f..11d7e05a38f 100644
--- a/src/macterm.h
+++ b/src/macterm.h
@@ -457,6 +457,9 @@ struct scroll_bar {
   Lisp_Object fringe_extended_p;
 #endif
 
+  /* t if redraw needed in the next XTset_vertical_scroll_bar call.  */
+  Lisp_Object redraw_needed_p;
+
 #ifdef USE_TOOLKIT_SCROLL_BARS
   /* The position and size of the scroll bar handle track area in
      pixels, relative to the frame.  */