Change JackNetWinSocket::SetLocalLoop behaviour, fixing the "client not disconnected bug".

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@3403 0c269be4-1314-0410-8aa9-9f06e86f4224

windows/JackNetWinSocket.cpp

@@ -286,7 +286,13 @@ namespace Jack
     //local loop*********************************************************************************************************
     int JackNetWinSocket::SetLocalLoop()
     {
-        char disable = 0;
+        //char disable = 0;
+        /*
+        see http://msdn.microsoft.com/en-us/library/aa916098.aspx
+        Default value is TRUE. When TRUE, data that is sent from the local interface to the multicast group to
+        which the socket is joined, including data sent from the same socket, will be echoed to its receive buffer.
+        */
+        char disable = 1;
         return SetOption ( IPPROTO_IP, IP_MULTICAST_LOOP, &disable, sizeof ( disable ) );
     }