Log to detournavigator log cell load and unload

apps/openmw/mwworld/scene.cpp

@@ -13,6 +13,7 @@
 #include <components/resource/scenemanager.hpp>
 #include <components/resource/bulletshape.hpp>
 #include <components/detournavigator/navigator.hpp>
+#include <components/detournavigator/debug.hpp>
 
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
@@ -259,6 +260,7 @@ namespace MWWorld
     void Scene::unloadCell (CellStoreCollection::iterator iter)
     {
         Log(Debug::Info) << "Unloading cell " << (*iter)->getCell()->getDescription();
+        DetourNavigator::log("unload cell ", (*iter)->getCell()->getDescription());
 
         const auto navigator = MWBase::Environment::get().getWorld()->getNavigator();
         ListAndResetObjectsVisitor visitor;
@@ -309,6 +311,7 @@ namespace MWWorld
         if(result.second)
         {
             Log(Debug::Info) << "Loading cell " << cell->getCell()->getDescription();
+            DetourNavigator::log("load cell ", cell->getCell()->getDescription());
 
             float verts = ESM::Land::LAND_SIZE;
             float worldsize = ESM::Land::REAL_SIZE;