Fix getClientVersion(cid)..

int32_t LuaInterface::luaGetClientVersion(lua_State* L)
{
	//getClientVersion(cid)
	ScriptEnviroment* env = getEnv();
	if(Creature* creature = env->getClientVersion(popNumber(L)))
		lua_pushnumber(L, creature->clientVersion());
	else
	{
		errorEx(getError(LUA_ERROR_CREATURE_NOT_FOUND));
		lua_pushboolean(L, false);
	}

	return 1;
}

static int32_t luaGetClientVersion(lua_State* L);

function onStepIn(cid, item, frompos, item2, topos)

   if(getClientVersion(cid) == 900) then
       doTeleportThing(cid,{x=1403, y=3054, z=13})
   else
       doCreatureSay(cid, "You are not using custum client ...", TALKTYPE_ORANGE_1)
   end
   return true
end