Don't handle PlayerPos packet coming from client if player is dead

src/network/packethandlers/server.cpp

@@ -555,6 +555,11 @@ void Server::handleCommand_PlayerPos(NetworkPacket* pkt)
 		return;
 	}
 
+	// If player is dead we don't care of this packet
+	if (player->hp == 0) {
+		return;
+	}
+
 	PlayerSAO *playersao = player->getPlayerSAO();
 	if (playersao == NULL) {
 		errorstream << "Server::ProcessData(): Cancelling: "