Update syslog_sink.h

7 years ago · 246b4b01c5
parent a680b71dc7
commit 246b4b01c5
1 changed files with 1 additions and 0 deletions
--- a/include/spdlog/sinks/syslog_sink.h
+++ b/include/spdlog/sinks/syslog_sink.h
@ -4,6 +4,7 @@
 #pragma once

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

 #include <array>
 #include <string>