Fix fuzzer teleporting out of Fort Ludios

src/teleport.c

@@ -866,6 +866,7 @@ level_tele(void)
                  || gd.dungeons[newlevel.dnum].flags.unconnected
                  || !gd.dungeons[newlevel.dnum].num_dunlevs);
         newlevel.dlevel = 1 + rn2(dunlevs_in_dungeon(&newlevel));
+        assign_level(&u.ucamefrom, &u.uz);
         schedule_goto(&newlevel, UTOTYPE_NONE, (char *) 0, (char *) 0);
         return;
     }