Un-asserted two function calls - this was causing the function calls to turn into no-ops when the example was compiled with debugging off.

[SVN r40167]

libs/graph

@@ -1 +1 @@
-Subproject commit e54f2934e196d9b0017c584bfa534eb5b17aaa52
+Subproject commit e9747c0143a678ac7e90f79806e990b9388434a2