fix linter issue

Author: paulyufan

cns/logger/cnslogger.go

@@ -45,11 +45,11 @@ func New(fileName string, logLevel, logTarget int, logDir string) (loggershim, e
 	if err != nil {
 		l.Errorf("Failed to get zap Platform cores: %v", err)
 	}
-	
-    zapLogger := zap.New(
+
+	zapLogger := zap.New(
 		platformCore,
 		zap.AddCaller(),
-		zap.AddStacktrace(zapcore.WarnLevel), 
+		zap.AddStacktrace(zapcore.WarnLevel),
 	).With(zap.Int("pid", os.Getpid()))
 
 	return &logger{