Pull request #2431: 无JIRA任务 节点展开收起问题

Merge in VISUAL/fineui from ~WINDY/fui:master to master

* commit '1c6e959861a51ad69ef888f83f1cf8604042dcff':
  无JIRA任务 节点展开收起问题

src/case/checkbox/check.treenode.js

@@ -15,9 +15,9 @@ BI.TreeNodeCheckbox = BI.inherit(BI.IconButton, {
     getLineCls: function () {
         switch (BI.STYLE_CONSTANTS.LINK_LINE_TYPE) {
             case "solid":
-                return "tree-solid-collapse-icon-type1";
+                return "tree-solid-expand-icon-type1";
             default:
-                return "tree-collapse-icon-type1";
+                return "tree-expand-icon-type1";
         }
     },