(isc_createudp): Relocate the fd.

src/libraries/libisc-new/src/isc_udp.c

@@ -203,6 +203,8 @@ isc_createudp(IscSessionConfig *cfg)
   
   if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
     return NULL;
+
+  fd = isc_relocate_fd(fd, cfg->fd_relocate);
   
   /* Set non blocking write mode */
   if ((res = fcntl(fd, F_GETFL, 0)) == -1)