Use american spelling for canceled

src/lib/createaccountjob.cpp

@@ -94,7 +94,7 @@ void CreateAccountJob::loadPluginAndShowDialog(const QString &pluginName)
 
     connect(ui, &KAccountsUiPlugin::success, this, &CreateAccountJob::pluginFinished, Qt::UniqueConnection);
     connect(ui, &KAccountsUiPlugin::error, this, &CreateAccountJob::pluginError, Qt::UniqueConnection);
-    connect(ui, &KAccountsUiPlugin::cancelled, this, &CreateAccountJob::pluginCancelled, Qt::UniqueConnection);
+    connect(ui, &KAccountsUiPlugin::canceled, this, &CreateAccountJob::pluginCancelled, Qt::UniqueConnection);
 
     ui->setProviderName(m_providerName);
     ui->init(KAccountsUiPlugin::NewAccountDialog);

src/lib/kaccountsuiplugin.h

@@ -87,7 +87,7 @@ Q_SIGNALS:
     /**
      * Emitted when the user cancels the account creation
      */
-    void cancelled();
+    void canceled();
 };
 
 Q_DECLARE_INTERFACE(KAccountsUiPlugin, "org.kde.kaccounts.UiPlugin")