Bug 140576 [JFace] dialog has no icon or clipped error icon
1) for a Java Project select 'Configure Build Path' in context menu and goto tab 'Libraries' 2) edit Access Rules for a library (e.g. JRE System...) 3) see that the dialog and its children have no window icon
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/StatusDialog.java
} else {
			layout.numColumns = 2;
		}
		layout.marginHeight = 0;
        layout.marginLeft = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.marginWidth = 0;
		composite.setLayout(layout);
		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        if (!fStatusLineAboveButtons && isHelpAvailable()) {
        	createHelpControl(composite);
        }
		fStatusLine = new MessageLine(composite);
		fStatusLine.setAlignment(SWT.LEFT);
        GridData statusData = new GridData(GridData.FILL_HORIZONTAL);
		fStatusLine.setErrorStatus(null);
        if (fStatusLineAboveButtons && isHelpAvailable()) {
        	statusData.horizontalSpan = 2;
        	createHelpControl(composite);
        }
		fStatusLine.setLayoutData(statusData);
		applyDialogFont(composite);
		
		/*
		 * Create the rest of the button bar, but tell it not to
		 * create a help button (we've already created it).
		 */
		boolean helpAvailable = isHelpAvailable();
		setHelpAvailable(false);
		super.createButtonBar(composite);
		setHelpAvailable(helpAvailable);