modified to use AccessNode

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@123 51baf565-9d33-0410-a72c-fc3788e3496d

pmd/src/net/sourceforge/pmd/rules/UnusedPrivateInstanceVariableRule.java

@@ -66,7 +66,7 @@ public class UnusedPrivateInstanceVariableRule extends AbstractRule implements R
             return super.visit(node, data);
         }
         AccessNode grandparentAccessNode = (AccessNode)grandparent;
-        if (grandparentAccessNode.isPublic() || grandparentAccessNode.isStatic()) {
+        if (!grandparentAccessNode.isPrivate() || grandparentAccessNode.isStatic()) {
             return super.visit(node, data);
         }
         Namespace group = (Namespace)nameSpaces.peek();