From bd9efbd97da6d97a1a19522fed29d3c9c4d7d91b Mon Sep 17 00:00:00 2001
From: Olivier Gayot <duskcoder@gmail.com>
Date: Thu, 26 Dec 2013 15:16:14 +0100
Subject: rb: fix compilation issue

rb.h uses an inline definition of rb_remove which uses NULL.
since the standard declaration of NULL can be found in stdlib.h, we
need to include it.
---
 rb.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rb.h b/rb.h
index 1483977..c5bde89 100644
--- a/rb.h
+++ b/rb.h
@@ -19,6 +19,9 @@
 #ifndef RING_BUFFER_H
 #define RING_BUFFER_H
 
+/* needed for the definition of NULL */
+#include <stdlib.h>
+
 #include <stdint.h>
 #include <sys/types.h>
 
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