Make sure port is stored for pg object

Author: halkeye

pkg/postgres/postgres.go

@@ -55,6 +55,7 @@ func NewPG(host, user, password string, port uint32, uri_args, default_database,
 		db:               db,
 		log:              logger,
 		host:             host,
+		port:             port,
 		user:             user,
 		pass:             password,
 		args:             uri_args,