with this patch, MiniDLNA uses MiniSSDPd to handle SSDP notify/discover/advertise processes.
It enable MiniDLNA and MiniUPnPd (and any other UPnP software supporting MiniSSDPd) to run on the same box.
I updated the patch for the version 1.0.19 of miniDLNA :
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Patch for the CVS version of miniDLNA :
read here : http://miniupnp.free.fr/files/download.php?file=minidlna_cvs20110529_minissdp1.patch
it looks like minidlna_cvs20110529_minissdp1.patch works well with the version 1.0.20 of MiniDLNA
Is there a particular reason why this patch was not merged? There's a bug report  in Debian about adding minissdpd support to minidlna, but I'd rather have features integrated upstream than locally in Debian.
No, I suppose it's just been overlooked until now. Sorry, spare time is hard to come by these days. I've just checked it in to CVS.
BTW, thanks for posting the patch Thomas. :)
I adapted the patch for 1.0.21 :
I guess next version will have the patch already included ;)
Thanks Justin !