add a missing 'override' to please paranoid compilers

diff --git a/src/surf/virtual_machine.hpp b/src/surf/virtual_machine.hpp
index d3aee1a..efc20f5 100644 (file)
--- a/src/surf/virtual_machine.hpp
+++ b/src/surf/virtual_machine.hpp
@@ -118,7 +118,7 @@ public:
   void adjustWeightOfDummyCpuActions() {};
 
   double next_occuring_event(double now) override;
-  void updateActionsState(double /*now*/, double /*delta*/) {};
+  void updateActionsState(double /*now*/, double /*delta*/) override {};
 
 };