; Fix a compilation warning

diff --git a/src/keyboard.c b/src/keyboard.c
index 7e164237d6626eb31cbff90004c47c732bb9209e..811ec252ef9a3f05280265d8a09cba0294c3ed7a 100644 (file)
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -5941,6 +5941,8 @@ save_line_number_display_width (struct input_event *event)
     w = XWINDOW (event->frame_or_window);
   else if (FRAMEP (event->frame_or_window))
     w = XWINDOW (XFRAME (event->frame_or_window)->selected_window);
+  else
+    emacs_abort ();
   line_number_display_width (w, &down_mouse_line_number_width, &pixel_width);
 }