round temp efefcts down

git-svn-id: http://svn.net-core.org/repos/t-engine4@2487 51575b47-30f0-44d4-a5cc-537603b46e54

game/engines/default/engine/interface/ActorTemporaryEffects.lua

@@ -90,7 +90,7 @@ end
 function _M:setEffect(eff_id, dur, p, silent)
 	-- Beware, setting to 0 means removing
 	if dur <= 0 then return self:removeEffect(eff_id) end
-	dur = math.ceil(dur)
+	dur = math.floor(dur)
 
 	for k, e in pairs(_M.tempeffect_def[eff_id].parameters) do
 		if not p[k] then p[k] = e end