Update systemd_sink.h

6 years ago · 65c4f955a6
parent 246b4b01c5
commit 65c4f955a6
1 changed files with 1 additions and 0 deletions
--- a/include/spdlog/sinks/systemd_sink.h
+++ b/include/spdlog/sinks/systemd_sink.h
@ -4,6 +4,7 @@
 #pragma once

 #include "spdlog/sinks/base_sink.h"
+#include "spdlog/details/null_mutex.h"
 #include "spdlog/details/synchronous_factory.h"

 #include <array>