整理整理代码

src/core/wrapper/layout/adapt/float.horizontal.js

@@ -1,5 +1,5 @@
 /**
  * 浮动的水平居中布局
  */
-BI.FloatHorizontalLayout = BI.Layout;
+BI.FloatHorizontalLayout = BI.inherit(BI.Layout);
 BI.shortcut("bi.horizontal_float", BI.FloatHorizontalLayout);

src/core/wrapper/layout/layout.horizontal.js

@@ -3,5 +3,5 @@
  * @class BI.HorizontalLayout
  * @extends BI.Layout
  */
-BI.HorizontalLayout = BI.Layout;
+BI.HorizontalLayout = BI.inherit(BI.Layout);
 BI.shortcut("bi.horizontal", BI.HorizontalLayout);