* testcase: fix error of calling undefined variable.

module/testcase/js/common.js

@@ -278,6 +278,7 @@ function setScenes()
     branch    = $('#branch').val();
     moduleID  = $('#module').val();
     if(typeof(branch) == 'undefined') branch = 0;
+    if(typeof(sceneID) == 'undefined') sceneID = 0;
     element = (config.currentMethod == 'createscene' || config.currentMethod == 'editscene') ? 'parent' : 'scene';
     link = createLink('testcase', 'ajaxGetScenes', 'productID=' + productID + '&branch=' + branch + '&moduleID=' + moduleID + '&element=' + element + '&sceneID=' + sceneID);
 

module/testcase/view/edit.html.php

@@ -17,6 +17,7 @@
 <?php js::set('lblBefore', $lang->testcase->insertBefore);?>
 <?php js::set('lblAfter',  $lang->testcase->insertAfter);?>
 <?php js::set('caseID', $case->id);?>
+<?php js::set('sceneID', $case->scene);?>
 <?php js::set('tab', $this->app->tab);?>
 <?php js::set('isLibCase', $isLibCase);?>
 <?php js::set('testtasks', $testtasks);?>