Strict standards: Declaration of KunenaBbcodeEditorButton::parseXML()

When reply to a topic :

Strict standards: Declaration of KunenaBbcodeEditorButton::parseXML() should be compatible with KunenaBbcodeEditorElement::parseXML($xml) in C:\wamp\www\joomla-3.0\libraries\kunena\bbcode\editor.php on line 388