M masto.go → masto.go

@@ -114,7 +114,7 @@ app := MastoApp{}
 	row := stmtGetMastoApp.QueryRowx(clientID)
 	err := row.StructScan(&app)
 	if err == sql.ErrNoRows {
-		elog.Println("oauth: invalid client", clientID)
+		elog.Printf("oauth: invalid client: %s", clientID)
 		rw.WriteHeader(http.StatusUnauthorized)
 		return
 	}