[Wine]Open sockets

[gojyo]

Hi to all!
I'm running mIRC under Wine with no problems; however, when mIRC opens a tcp 
socket (for accepting dcc connections), that socket never get closed even 
after the dcc connection ends.
So, after a while, "netstat" shows me a lot of sockets (up to 50) created by 
"wine-preloader".

So, is there a way to tell wine to close unused sockets? 

Thanks for your Great work!