Hit test no longer executes when destroying wayland window

Signed-off-by: quasar32 <fontejam32@gmail.com>
(cherry picked from commit be51a15ba2)

src/video/wayland/SDL_waylandwindow.c

@@ -3316,6 +3316,8 @@ void Wayland_DestroyWindow(SDL_VideoDevice *_this, SDL_Window *window)
          * no internal structures are left pointing to the destroyed window.
          */
         if (wind->show_hide_sync_required) {
+            /* Make sure hit test isn't executed during roundtrip */
+            window->hit_test = NULL;
             WAYLAND_wl_display_roundtrip(data->display);
         }