Modify S3649(js): Fix code samples (#3759)

rules/S3649/javascript/how-to-fix-it/sequelize.adoc

@@ -11,16 +11,19 @@ include::../../common/fix/code-rationale.adoc[]
 async function index(req, res) {
     const { db, User } = req.app.get('sequelize');
 
+    const user = req.query.user;
+    const pass = req.query.pass;
+
     let loggedInUser = await db.query(
-        `SELECT * FROM users WHERE user = '${req.query.user}' AND pass = '${req.query.pass}'`,
+        `SELECT * FROM users WHERE user = '${user}' AND pass = '${pass}'`,
         {
             model: User,
         }
     ); // Noncompliant
 
     res.send(JSON.stringify(loggedInUser));
     res.end();
-}}
+}
 ----
 
 ==== Compliant solution
@@ -30,8 +33,8 @@ async function index(req, res) {
 async function index(req, res) {
     const { db, User, QueryTypes } = req.app.get('sequelize');
 
-    let user = req.query.user;
-    let pass = req.query.pass;
+    const user = req.query.user;
+    const pass = req.query.pass;
 
     let loggedInUser = await db.query(
         `SELECT * FROM users WHERE user = $user AND pass = $pass`,