Removed 'throws IndexOutOfBoundsException' clause from Node(Node) constructor.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/FOP_0-20-0_Alt-Design@197397 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/datastructs/Node.java

@@ -108,8 +108,7 @@ public class Node implements Cloneable {
      *               node. 
      */
 
-    public Node(Node parent)
-        throws IndexOutOfBoundsException {
+    public Node(Node parent) {
         this.parent = parent;
         if (parent != null) {
             parent.addChild(this);