issue 57 if no member, no show level icon

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@9689 201d5d3c-b55e-5fd7-737f-ddc643e51545

addons/point_level_icon/point_level_icon.lib.php

@@ -23,6 +23,7 @@
             if(!$GLOBALS['_pointModel']) $GLOBALS['_pointModel'] = getModel('point');
             $oPointModel = &$GLOBALS['_pointModel'];
             // Get points
+			if(!$oPointModel->isExistsPoint($member_srl)) return $matches[0];
             $point = $oPointModel->getPoint($member_srl);
             // Get level
             $level = $oPointModel->getLevel($point, $config->level_step);