1 files changed, 1 insertions, 0 deletions

diff --git a/src/xterm.h b/src/xterm.h
index c3c974c1fd9..23a5bb16440 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -128,6 +128,7 @@ extern struct frame *x_window_to_frame ();
 
 #ifdef USE_X_TOOLKIT
 extern struct frame *x_any_window_to_frame ();
+extern struct frame *x_non_menubar_window_to_frame ();
 extern struct frame *x_top_window_to_frame ();
 #endif