Fix build error

Change-Id: I45e224bd4f8bcb9323acb9fb853dea5fb0acbe36

diff --git a/include/klay/audit/logger.h b/include/klay/audit/logger.h
index b45a9ee4b0c743b478a34319ecee43ad873cdeae..4d75623c07fb0f96dc9f4f322398d82594800a9e 100644 (file)
--- a/include/klay/audit/logger.h
+++ b/include/klay/audit/logger.h
@@ -60,7 +60,7 @@ KLAY_EXPORT LogLevel StringToLogLevel(const std::string& level);
 #define KSINK nullptr
 
 #define FORMAT(items)                                                  \
-(static_cast<std::ostringstream &>(std::ostringstream() << items)).str()
+(static_cast<std::ostringstream &>(std::ostringstream().flush() << items)).str()
 
 #define LOG(logsink, message, level)                                   \
 do {                                                                   \