1 files changed, 1 insertions, 0 deletions

diff --git a/src/dispextern.h b/src/dispextern.h
index 1d8c1402c81..d331121627b 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -2817,6 +2817,7 @@ EXFUN (Fx_show_tip, 6);
 EXFUN (Fx_hide_tip, 0);
 extern void start_hourglass P_ ((void));
 extern void cancel_hourglass P_ ((void));
+extern int hourglass_started P_ ((void));
 extern int display_hourglass_p;
 
 /* Returns the background color of IMG, calculating one heuristically if