From d8b33993e1ba1fc948db435f363e165e89badccc Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 21 Dec 2025 20:31:30 +0900
Subject: [PATCH] Box: Fix an unused variable warning

---
 box.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/box.c b/box.c
index 54bd5c6258..616a8acf7d 100644
--- a/box.c
+++ b/box.c
@@ -759,6 +759,7 @@ rb_box_cleanup_local_extension(VALUE cleanup)
 #ifndef _WIN32
     if (p) box_ext_cleanup_free(p);
 #endif
+    (void)p;
 }
 
 static int