fixed table header cell view

SE/se-lib/TableAjax.php.p5UI__TableAjaxSortableLabel.js

@@ -65,7 +65,7 @@ var P5UI__TableAjaxSortableLabel = createReactClass({
 		var sortClass = "glyphicon glyphicon-triangle-" + ( sortFlip ? "bottom" : "top" );
 		var fieldProps = this.props.fieldProps;
 
-		var label = this.props.fieldName;
+		var label = [ this.props.fieldName ];
 		if (fieldProps.friendly) label = this.convertLabelHtmlLinesToRect(fieldProps.friendly);
 		var labelElements = ('ref' === fieldProps.type && fieldProps.xsdRefType)
 			?	[