Don't allow the player to activate objects when dead

apps/openmw/mwworld/player.cpp

@@ -212,7 +212,7 @@ namespace MWWorld
 
         MWWorld::Ptr player = getPlayer();
         const MWMechanics::NpcStats &playerStats = player.getClass().getNpcStats(player);
-        if (playerStats.isParalyzed() || playerStats.getKnockedDown())
+        if (playerStats.isParalyzed() || playerStats.getKnockedDown() || playerStats.isDead())
             return;
 
         MWWorld::Ptr toActivate = MWBase::Environment::get().getWorld()->getFacedObject();