Bug 220766 [JFace] ImageRegistry.get does not work as expected (crashes with NullPointerException)
bundles/org.eclipse.jface/src/org/eclipse/jface/resource/FileImageDescriptor.java
/**
	 * The class whose resource directory contain the file, or <code>null</code>
	 * if none.
	 */
	private Class location;
	/**