Merge pull request #2960 in VISUAL/fineui from DEC/fineui:feature/x to master

* commit 'ee66a372cb08520d78a8fc5708a17567cafad4c9':
  BI-110891 fix：同步fineui

src/base/1.pane.js

@@ -40,7 +40,7 @@ BI.Pane = BI.inherit(BI.Widget, {
 
     loading: function () {
         var self = this, o = this.options;
-        var loadingAnimation = BI.createWidget(BI.Providers.getProvider("bi.provider.system").getLoading({ 
+        var loadingAnimation = BI.createWidget(BI.Providers.getProvider("bi.provider.system").getLoading({
             loadingSize: o.loadingSize,
             context: this
         }));