From 9fce5e124f801b1dcedf6038348ce6bf6ccd6635 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nlopes@microsoft.com>
Date: Tue, 3 Sep 2019 20:08:39 +0100
Subject: [PATCH] fix build

---
 src/util/mutex.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/util/mutex.h b/src/util/mutex.h
index 4ac8abb7af4..a5fd817c14a 100644
--- a/src/util/mutex.h
+++ b/src/util/mutex.h
@@ -27,8 +27,8 @@ struct lock_guard {
 
 #define DECLARE_MUTEX(name) mutex *name = nullptr
 #define DECLARE_INIT_MUTEX(name) mutex *name = nullptr
-#define ALLOC_MUTEX(name) (void)
-#define DEALLOC_MUTEX(name) (void)
+#define ALLOC_MUTEX(name) (void)0
+#define DEALLOC_MUTEX(name) (void)0
 
 #else
 #include <atomic>