diff -r -up lammps-9Jan09-orig/lib/poems/poemstree.h lammps-9Jan09/lib/poems/poemstree.h
--- lammps-9Jan09-orig/lib/poems/poemstree.h	2009-02-02 04:53:17.590333159 -0500
+++ lammps-9Jan09/lib/poems/poemstree.h	2009-02-02 04:53:27.885087146 -0500
@@ -180,7 +180,7 @@ int Tree::Find(int& item)
 	if (current != NULL)
 	{
 		item = current->data;
-		return (int)current->GetAuxData();
+		return (int)(intptr_t)current->GetAuxData();
 	}
 	else
 		// item not found in the tree. return False