Bugfix in /city when joining with states table

src/libs/routes/city.js

@@ -60,7 +60,9 @@ rqf.addField({
 
 // Return all cities
 cityApp.get('/', rqf.parse(), rqf.build(), (req, res, next) => {
-    req.sql.from('municipio');
+    req.sql.from('municipio')
+    .field('municipio.nome')
+    .field('municipio.pk_cod_ibge', 'pk_municipio_id');
     next();
 }, query, response('city'));