return;
mirror = find_scrollbar_window_mirror (f, id);
+ if (!mirror)
+ return;
+
win = real_window (mirror, 1);
if (NILP (win))
return;
mirror = find_scrollbar_window_mirror (f, id);
+ if (!mirror)
+ return;
+
win = real_window (mirror, 1);
if (NILP (win))