Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
* standard cancel processing. If there is a long running operation in
	 * progress, this method posts an alert message saying that the wizard
	 * cannot be closed.
	 * 
	 * @return <code>true</code> if it is alright to close this dialog, and
	 *         <code>false</code> if it is not
	 */
	private boolean okToClose() {
		if (activeRunningOperations > 0) {
			synchronized (this) {
				windowClosingDialog = createWizardClosingDialog();
			}
			windowClosingDialog.open();
			synchronized (this) {
				windowClosingDialog = null;
			}
			return false;
		}
		return wizard.performCancel();
	}
	/**
	 * Restores the enabled/disabled state of the given control.
	 * 
	 * @param w
	 *            the control
	 * @param h
	 *            the map (key type: <code>String</code>, element type:
	 *            <code>Boolean</code>)
	 * @param key
	 *            the key