From d707c92a3592564178a56b3ee998cf658dfb2859 Mon Sep 17 00:00:00 2001
From: S-H-GAMELINKS <gamelinks007@gmail.com>
Date: Fri, 22 May 2020 03:15:42 +0900
Subject: [PATCH] add static modifier for rb_hash_keep_if func

---
 hash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hash.c b/hash.c
index f4fc3dc04f..ed1c3cb333 100644
--- a/hash.c
+++ b/hash.c
@@ -2881,7 +2881,7 @@ rb_hash_select_bang(VALUE hash)
  *  See also Hash#select!.
  */
 
-VALUE
+static VALUE
 rb_hash_keep_if(VALUE hash)
 {
     RETURN_SIZED_ENUMERATOR(hash, 0, 0, hash_enum_size);