From 1ba9be09fabd8f17525dcdb8d1a5ce0406ad3b7c Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Mon, 23 Mar 2026 06:42:11 -0400
Subject: [PATCH] pre-C23 build fix

Prior to C23, a statement is required after a label.
---
 src/mcastu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mcastu.c b/src/mcastu.c
index 605fb1ab5..50aafc7f3 100644
--- a/src/mcastu.c
+++ b/src/mcastu.c
@@ -932,6 +932,7 @@ spell_would_be_useless(struct monst *mtmp, int spellnum)
             return TRUE;
         break;
     default:
+        break;
     }
     return FALSE;
 }