Small whitespace fix on setting file

pkg/setting/setting.go

@@ -65,7 +65,7 @@ var (
 	SshPort            int
 	CertFile, KeyFile  string
 	RouterLogging      bool
-	DataProxyLogging       bool
+	DataProxyLogging   bool
 	StaticRootPath     string
 	EnableGzip         bool
 	EnforceDomain      bool