Fix for writing objects before Active Environment Group.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_AFPGOCAResources@691575 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/render/afp/modca/PageObject.java

@@ -180,7 +180,7 @@ public class PageObject extends AbstractResourceGroupContainer {
 
     /** {@inheritDoc} */
     protected void writeContent(OutputStream os) throws IOException {
-        super.writeContent(os);
+        writeTriplets(os);
 
         getActiveEnvironmentGroup().writeToStream(os);