[Live-devel] To support multicast loopback for win32

[Ross Finlayson]

>Winsock support mutlicast loopback, but in GroupsockHelper.cpp,
>setupDatagramSocket() function will not set loopback for win32.
>To use multicast loopback in win32, you need to move the code
>out of the #define.

An earlier version of Windows (prior to XP) had problems with 
"setsockopt(..., IP_MULTICAST_LOOP)".  Perhaps this has been fixed in 
XP??

Anyway, I've now moved this code out of the #define.  We'll see if 
anyone complains about this...
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/