don't try to clear the window if windows haven't been inited yet
* check_version() they will be printed using pline(), which doesn't
* mix with the raw messages that might be already on the screen
*/
- clear_nhwindow(WIN_MAP);
+ if (iflags.window_inited) clear_nhwindow(WIN_MAP);
if (!check_version(&vers_info, DUNGEON_FILE, TRUE))
panic("Dungeon description not valid.");