bug104400,自适应布局拖动的时候一个间隔漏掉了

designer_form/src/com/fr/design/designer/beans/adapters/layout/FRBodyLayoutAdapter.java

@@ -927,7 +927,7 @@ public class FRBodyLayoutAdapter extends AbstractLayoutAdapter{
             minRightW = getMinRightWidth(cX, 0, y);
             if (cX - DEFAULT_AREA_LENGTH > margin.getLeft()) {
                 Component targetRightComp = container.getLeftComp(cX, y);
-                minLeftW = getMinLeftWidth(targetRightComp, cX-DEFAULT_AREA_LENGTH);
+                minLeftW = getMinLeftWidth(targetRightComp, cX - DEFAULT_AREA_LENGTH - actualVal);//bug104400没算上间隔
             }
             dealTrisectAtRight(child, minLeftW, minRightW);
         }