Bug 197261 [2.2.1]The report that contain library xtab and set filter cannot be run
Description: [2.2.1]The report that contain library xtab and set filter cannot be run Step: 1.New a library and add a xtab 2.New a report and use the library 3.Drop the xtab from library explorer into layout 4.Set the filter on the xtab that is in report 5.Preview Actual result: It pop up an error said that the report cannot be run
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
* @param key
	 *            the resource key value
	 * @param xml
	 *            the resource value
	 * @param cdata
	 *            whether the resource value should be written as CDATA.
	 */
	protected void writeResouceKey( String tagName, String name, String key,
			String xml, boolean cdata )
	{
		
		if ( key == null && xml == null )
			return;
		writer.startElement( tagName );
		writer.attribute( DesignSchemaConstants.NAME_ATTRIB, name );
		writer.attribute( DesignSchemaConstants.KEY_ATTRIB, key );
		if ( cdata )
			writer.textCDATA( xml );
		else
			writer.text( xml );
		writer.endElement( );
	}
	/**
	 * Writes the structure list, each of which has only one member.
	 * 
	 * @param obj
	 *            the design element
	 * @param propName
	 *            the name of the list property
	 * @param memberName