From d03ae286ffc09bf00ff67b8ed675e897f60c613c Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Tue, 9 Jun 2026 10:25:08 -0400
Subject: [PATCH] librbl/rbl.c: add missing stdio.h

Needed for the snprintf() family of functions, and fixes the build on
musl with --enable-rbl.
---
 librbl/rbl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/librbl/rbl.c b/librbl/rbl.c
index d8ca47b8..3b675c34 100644
--- a/librbl/rbl.c
+++ b/librbl/rbl.c
@@ -16,6 +16,7 @@
 #include <string.h>
 #include <assert.h>
 #include <errno.h>
+#include <stdio.h>
 
 /* librbl includes */
 #include "rbl.h"