From 1e4f7a28b826c6130610c13e4e7dc57ab50672d5 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Thu, 1 May 2025 17:09:48 +0900
Subject: [PATCH] Fix "old-style function definition"
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```
namespace.c: In function ‘rb_namespace_available’:
namespace.c:55:1: warning: old-style function definition [-Wold-style-definition]
   55 | rb_namespace_available()
      | ^~~~~~~~~~~~~~~~~~~~~~
```
---
 namespace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/namespace.c b/namespace.c
index 855aa375aa..25b960f0f6 100644
--- a/namespace.c
+++ b/namespace.c
@@ -52,7 +52,7 @@ VALUE rb_resolve_feature_path(VALUE klass, VALUE fname);
 static VALUE rb_namespace_inspect(VALUE obj);
 
 int
-rb_namespace_available()
+rb_namespace_available(void)
 {
     const char *env;
     if (namespace_availability) {