Bug 196257 NPE when call ArgumentInfoList.argumentsIterator()
When call ArgumentInfoList.argumentsIterator(), it will throw NPE sometimes. This is caused the inner "arguments" member may not initialized when call this method.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/scripts/MethodInfo.java
{
	/**
	 * 
	 */
	private List arguments;
	private final Method method;
	/**
	 * @param method
	 */
	protected MethodInfo( Method method )
	{
		this.method = method;
		addArgumentList( method.getParameterTypes( ) );
	}