message: Add va_end to TF_Log
diff: @@ -28,6 +28,7 @@ void TF_Log(TF_LogLevel level, const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  auto message = BuildMessage(fmt, args);
  + va_end(args);
  switch (level) {
  case TF_INFO:
  LOG(INFO) << message;
  @@ -48,6 +49,7 @@ void TF_VLog(int level, const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  auto message = BuildMessage(fmt, args);
  + va_end(args);
  VLOG(level) << message;
  }
  @@ -55,5 +57,6 @@ void TF_DVLog(int level, const char* fmt, ...) {
  va_list args;
  va_start(args, fmt);
  auto message = BuildMessage(fmt, args);
  + va_end(args);
  DVLOG(level) << message;
  }
  