Start the Empire clock on first break or update

Before, the Empire clock started at the epoch, which effectively made
it not tick before the first update.

src/lib/subs/bsanct.c

@@ -69,6 +69,8 @@ bsanct(void)
 	(void)putsect(&s);
 	count++;
     }
-    if (count > 0)
+    if (count > 0) {
+	game_note_bsanct();
 	nreport(player->cnum, N_BROKE_SANCT, 0, 1);
+    }
 }