Patch up Graph library so that it is (almost) clean w.r.t. Beman's

inspection script


[SVN r21066]

libs/graph

@@ -1 +1 @@
-Subproject commit 33913b20eae877194ba864c33b7a94ab6d4c412b
+Subproject commit decc08bb0ec34fe2f75670ad943de0fa9e94afb4