fix syslog bug

example/bench.cpp

@@ -64,7 +64,7 @@ int main(int argc, char* argv[])
         if (argc > 2)
             threads =   atoi(argv[2]);
 
-
+		/*
         cout << "*******************************************************************************\n";
         cout << "Single thread, " << format(howmany)  << " iterations, auto flush=" << auto_flush << endl;
         cout << "*******************************************************************************\n";
@@ -87,6 +87,7 @@ int main(int argc, char* argv[])
         bench_mt(howmany, daily_mt, threads);
         bench(howmany, spdlog::create<null_sink_st>("null_mt"));
 
+		*/
         cout << "\n*******************************************************************************\n";
         cout << "async logging.. " << threads << " threads sharing same logger, " << format(howmany) << " iterations, auto_flush=" << auto_flush << endl;
         cout << "*******************************************************************************\n";
@@ -96,7 +97,8 @@ int main(int argc, char* argv[])
 
         for(int i = 0; i < 5; ++i)
         {
-            auto as = spdlog::daily_logger_st("as", "logs/daily_async", auto_flush);
+            //auto as = spdlog::daily_logger_st("as", "logs/daily_async", auto_flush);
+            auto as = spdlog::create<null_sink_st>("as");
             bench_mt(howmany, as, threads);
             spdlog::drop("as");
         }

include/spdlog/sinks/syslog_sink.h

@@ -58,8 +58,6 @@ public:
         _priorities[static_cast<int>(level::CRITICAL)] = LOG_CRIT;
         _priorities[static_cast<int>(level::ALERT)] = LOG_ALERT;
         _priorities[static_cast<int>(level::EMERG)] = LOG_EMERG;
-
-        _priorities[static_cast<int>(level::ALWAYS)] = LOG_INFO;
         _priorities[static_cast<int>(level::OFF)] = LOG_INFO;
 
         ::openlog(ident.c_str(), option, syslog_facility_from_name(facility));