When checking for 'selected' always cast to a string, because there's…

… no other datatype that can be represented uniqely in an html attribute.

template/helper/Form.php

@@ -558,8 +558,7 @@ protected function _selectOptions(array $list, array $scope) {
 			}
 			$selected = (
 				(is_array($scope['value']) && in_array($value, $scope['value'])) ||
-				($scope['empty'] && empty($scope['value']) && $value === '') ||
-				($scope['value'] === (is_integer($value) ? (string) $value : $value) )
+				((string) $scope['value'] === (string) $value)
 			);
 			$options = $selected ? array('selected' => true) : array();
 			$params = compact('value', 'title', 'options');