UDP broadcast translation error (Mark Jonckheere)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1899 c046a42c-6fe2-441c-8c8c-71466251a162

slirp/udp.c

@@ -312,8 +312,11 @@ int udp_output(struct socket *so, struct mbuf *m,
     struct sockaddr_in saddr, daddr;
 
     saddr = *addr;
-    if ((so->so_faddr.s_addr & htonl(0xffffff00)) == special_addr.s_addr)
+    if ((so->so_faddr.s_addr & htonl(0xffffff00)) == special_addr.s_addr) {
         saddr.sin_addr.s_addr = so->so_faddr.s_addr;
+        if ((so->so_faddr.s_addr & htonl(0x000000ff)) == htonl(0xff))
+            saddr.sin_addr.s_addr = alias_addr.s_addr;
+    }
     daddr.sin_addr = so->so_laddr;
     daddr.sin_port = so->so_lport;