util.stanza: Optimisation, remove useless if...then in stanza:children() iterator

[prosody.git] / util / serialization.lua

diff --git a/util/serialization.lua b/util/serialization.lua
index 07a099c910533cc1c95df93fc19fcb7a679dfda6..bad2fe43dddf7cc0b7ec17da6892f10dffe4f646 100644 (file)
--- a/util/serialization.lua
+++ b/util/serialization.lua
@@ -1,6 +1,6 @@
 -- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
 -- 
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
@@ -35,7 +35,7 @@ local function _simplesave(o, ind, t, func)
        elseif type(o) == "string" then
                func(t, (("%q"):format(o):gsub("\\\n", "\\n")));
        elseif type(o) == "table" then
-               if next(o) then
+               if next(o) ~= nil then
                        func(t, "{\n");
                        for k,v in pairs(o) do
                                func(t, indent(ind));