Guard against creating duplicate nodes.

r1467 | ffr | 2007-02-12 13:36:11 +1100 (Mon, 12 Feb 2007) | 2 lines

hipadaba.c

@@ -583,6 +583,7 @@ void AddHipadabaChild(pHdb  parent, pHdb child, void *callData){
          * step to end of child chain
          */
         while(current != NULL){
+            assert(strcmp(current->name,child->name)!=0);
             prev = current;
             current = current->next;
         }