master 5e546abf7a2: ; Fix a compilation warning

[Gerd Moellmann]

branch: master
commit 5e546abf7a27688150f0bc5c486e860f4ad85198
Author: Gerd Möllmann <gerd@gnu.org>
Commit: Gerd Möllmann <gerd@gnu.org>

    ; Fix a compilation warning
---
 src/keyboard.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/keyboard.c b/src/keyboard.c
index 7e164237d66..811ec252ef9 100644
--- 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);
 }