setIPDimPts and setBPDimPts modified to update PaddingRectangle

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197781 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/area/ContentRectangle.java

     private final Area area;
 
     /**
-     * @param writingMode
+     * @param area the containing <code>Area</code> instance
      */
     public ContentRectangle(Area area) {
         area.super(area.contentWritingMode);
     }
 
     /**
-     * @param writingMode
+     * @param area the containing <code>Area</code> instance
      * @param ipOrigin
      * @param bpOrigin
      * @param ipDim
      */
     public void setIPDimPts(double pts) {
         super.setIPDimPts(pts);
+        padding.setContents(this);
         area.notifyListeners();
     }
 
      */
     public void setBPDimPts(double pts) {
         super.setBPDimPts(pts);
+        padding.setContents(this);
         area.notifyListeners();
     }