Bug 305036 [Path Variables] Minor API changes in Dynamic Path Variables area
I'm attaching a patch illustrating what should be done in this area.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/ide/dialogs/PathVariableEditDialog.java
*/
	public PathVariableEditDialog(Shell parentShell) {
		super(parentShell);
		setTitle(IDEWorkbenchMessages.PathVariableSelectionDialog_title);
		pathVariablesGroup = new PathVariablesGroup(false, IResource.FOLDER,
				null);
		setShellStyle(getShellStyle() | SWT.RESIZE);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
	 */
	protected void buttonPressed(int buttonId) {
		super.buttonPressed(buttonId);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.window.Window#close()
	 */
	public boolean close() {
		pathVariablesGroup.dispose();
		return super.close();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
	 */