1 files changed, 1 insertions, 0 deletions

diff --git a/src/window.h b/src/window.h
index fb56be8bfb7..b2c62fde01f 100644
--- a/src/window.h
+++ b/src/window.h
@@ -790,6 +790,7 @@ extern void foreach_window P_ ((struct frame *,
 extern void grow_mini_window P_ ((struct window *, int));
 extern void shrink_mini_window P_ ((struct window *));
 
+void run_window_configuration_change_hook (struct frame *f);
 
 /* Make WINDOW display BUFFER as its contents.  RUN_HOOKS_P non-zero
    means it's allowed to run hooks.  See make_frame for a case where