End combat when the target is outside the active grid

apps/openmw/mwmechanics/aicombat.cpp

@@ -112,7 +112,7 @@ namespace MWMechanics
 
         MWWorld::Ptr target = MWBase::Environment::get().getWorld()->searchPtrViaActorId(mTargetActorId);
         if (target.isEmpty())
-            return false;
+            return true;
 
         if (!target.getRefData().getCount()
             || !target.getRefData().isEnabled() // Really we should be checking whether the target is currently