1 files changed, 1 insertions, 0 deletions

diff --git a/src/window.h b/src/window.h
index 846831e43d5..5da6165c48d 100644
--- a/src/window.h
+++ b/src/window.h
@@ -886,6 +886,7 @@ extern Lisp_Object make_window (void);
 extern Lisp_Object window_from_coordinates (struct frame *, int, int,
                                             enum window_part *, bool);
 extern void resize_frame_windows (struct frame *, int, bool);
+extern void restore_window_configuration (Lisp_Object);
 extern void delete_all_child_windows (Lisp_Object);
 extern void freeze_window_starts (struct frame *, bool);
 extern void grow_mini_window (struct window *, int);