Generate account label correctly

gajim/gtk/account_wizard.py

@@ -564,6 +564,7 @@ class AccountCreationWizard:
     def create_vars(self, config):
         app.config.add_per('accounts', self.account)
 
+        config['account_label'] = '%s@%s' % (config['name'], config['hostname'])
         if not config['savepass']:
             config['password'] = ''