fixed sonarqube errors

Backend/endpoints/auto-logout.go

@@ -21,7 +21,7 @@ func LogoutHandler(w http.ResponseWriter, r *http.Request) {
 
 func autoLogout(w http.ResponseWriter) {
 	users, err := models.GetAllUsers()
-	var logged_out_users []models.User
+	var loggedOutUsers []models.User
 	if err != nil {
 		fmt.Printf("Error getting user list %v\n", err)
 	}
@@ -31,7 +31,7 @@ func autoLogout(w http.ResponseWriter) {
 			if err != nil {
 				fmt.Printf("Error logging out user %v\n", err)
 			} else {
-				logged_out_users = append(logged_out_users, user)
+				loggedOutUsers = append(loggedOutUsers, user)
 				log.Printf("Automaticaly logged out user %s, %s ", user.Name, user.Vorname)
 			}
 		}
@@ -39,6 +39,6 @@ func autoLogout(w http.ResponseWriter) {
 	}
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(logged_out_users)
+	json.NewEncoder(w).Encode(loggedOutUsers)
 
 }