login-validator: Fix not reloading issue

pkg/login-validator/cmd/main.go

@@ -100,7 +100,7 @@ func main() {
 
 	log.Println("Registering handlers...")
 	mux := http.NewServeMux()
-	mux.Handle("/login", lc)
+	mux.Handle("/login", &lc)
 	mux.HandleFunc("/logout", logout)
 	mux.HandleFunc("/passwd", passwd)
 	http.HandleFunc("/", mux.ServeHTTP)
@@ -119,6 +119,8 @@ mloop:
 			log.Println("Reloading students files...")
 			if lc.students, err = readStudentsList(studentsFile); err != nil {
 				log.Println("Error during students.csv reload:", err)
+			} else {
+				log.Printf("Students reloaded: %d students allowed to login", len(lc.students))
 			}
 		case syscall.SIGTERM, syscall.SIGINT:
 			break mloop