Adding intval.

main/newscorm/resourcelinker.inc.php

@@ -1750,12 +1750,15 @@ function rl_get_resource_name($course_code, $learnpath_id, $id_in_path)
     $_course = Database::get_course_info($course_code);
     $course_id = $_course['real_id'];
     $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
+    $learnpath_id = intval($learnpath_id);
+    $id_in_path = intval($id_in_path);
 
-    $sql_item = "SELECT item_type, title, ref FROM $tbl_lp_item WHERE c_id = $course_id AND lp_id = $learnpath_id AND id = $id_in_path";
+    $sql_item = "SELECT item_type, title, ref FROM $tbl_lp_item
+                 WHERE c_id = $course_id AND lp_id = $learnpath_id AND id = $id_in_path";
     $res_item = Database::query($sql_item);
 
     if (Database::num_rows($res_item) < 1) {
-        return ''; //exit
+        return '';
     }
     $row_item = Database::fetch_array($res_item);
     $type = strtolower($row_item['item_type']);