minor fixes

source/RobotAPI/components/ObjectPoseProviderExample/ObjectPoseProviderExample.cpp

@@ -131,7 +131,7 @@ namespace armarx
                 update = requestedObjects.updateRequestedObjects(now);
             }
 
-            if (!update.added.empty() || !update.removed.empty())
+            if (update.added.size() > 0 || update.removed.size() > 0)
             {
                 ARMARX_INFO << "Added: " << update.added
                             << "Removed: " << update.removed;