destroy_window: frame could be NULL

* don't dereference it if NULL, as in unmap_notify

1 files changed, 3 insertions, 3 deletions

diff --git a/src/events.c b/src/events.c
index 7ca9cb7..37bfc01 100644
--- a/src/events.c
+++ b/src/events.c
@@ -236,10 +236,10 @@ destroy_window (XDestroyWindowEvent *ev)
           if (frame->number == win->scr->current_frame
               && current_screen() == win->scr)
             set_active_frame (frame, 0);
+          /* Since we may have switched windows, call the hook. */
+          if (frame->win_number != EMPTY)
+            hook_run (&rp_switch_win_hook);
         }
-      /* Since we may have switched windows, call the hook. */
-      if (frame->win_number != EMPTY)
-	hook_run (&rp_switch_win_hook);
       withdraw_window (win);
     }