Bug 29163 SafeRunnable needs to be accessible in JFace
We need to be able to access the SafeRunnable in JFace in order that some error protection can be added to preferences and properties dialogs.
bundles/org.eclipse.ui.workbench/extensions/org/eclipse/jface/action/StatusLine.java
len = Math.min(cr, lf);
		return message.substring(0, len);
	}
	
/**
 * Updates the message label widget.
 */
protected void updateMessageLabel() {
	if (fMessageLabel != null && !fMessageLabel.isDisposed()) {
		Display display = fMessageLabel.getDisplay();
		if ((fErrorText != null && fErrorText.length() > 0) || fErrorImage != null) {
			fMessageLabel.setForeground(JFaceColors.getErrorText(display));
			fMessageLabel.setText(fErrorText);
			fMessageLabel.setImage(fErrorImage);
		}
		else {
			fMessageLabel.setForeground(display.getSystemColor(SWT.COLOR_WIDGET_FOREGROUND));
			fMessageLabel.setText(fMessageText == null ? "" : fMessageText); 
			fMessageLabel.setImage(fMessageImage);
		}
	}
}
	/**
	 * @see IProgressMonitor#worked(int)
	 */
	public void worked(int work) {
		internalWorked(work);
	}
}